Une période unique fait résonner toutes les fractions de n/131 en base 2.  

Le microscope numérique permet alors d'en observer le graphe. 

1/131=0,0000000111110100010001100101100111100100101001000010011100010101011111110000010111011100110100110000110110101101111011000111010101...

2/131=0,0000001111101000100011001011001111001001010010000100111000101010111111100000101110111001101001100001101101011011110110001110101010...

3/131=0,0000010111011100110100110000110110101101111011000111010101000000011111010001000110010110011110010010100100001001110001010101111111...

4/131=0,0000011111010001000110010110011110010010100100001001110001010101111111000001011101110011010011000011011010110111101100011101010100...

5/131=0,0000100111000101010111111100000101110111001101001100001101101011011110110001110101010000000111110100010001100101100111100100101001...

6/131=0,0000101110111001101001100001101101011011110110001110101010000000111110100010001100101100111100100101001000010011100010101011111110...

7/131=0,0000110110101101111011000111010101000000011111010001000110010110011110010010100100001001110001010101111111000001011101110011010011...

8/131=0,0000111110100010001100101100111100100101001000010011100010101011111110000010111011100110100110000110110101101111011000111010101000...

9/131=0,0001000110010110011110010010100100001001110001010101111111000001011101110011010011000011011010110111101100011101010100000001111101...

10/131=0,0001001110001010101111111000001011101110011010011000011011010110111101100011101010100000001111101000100011001011001111001001010010...

11/131=0,0001010101111111000001011101110011010011000011011010110111101100011101010100000001111101000100011001011001111001001010010000100111...

12/131=0,0001011101110011010011000011011010110111101100011101010100000001111101000100011001011001111001001010010000100111000101010111111100...

13/131=0,0001100101100111100100101001000010011100010101011111110000010111011100110100110000110110101101111011000111010101000000011111010001...

14/131=0,0001101101011011110110001110101010000000111110100010001100101100111100100101001000010011100010101011111110000010111011100110100110...

15/131=0,0001110101010000000111110100010001100101100111100100101001000010011100010101011111110000010111011100110100110000110110101101111011...

16/131=0,0001111101000100011001011001111001001010010000100111000101010111111100000101110111001101001100001101101011011110110001110101010000...

17/131=0,0010000100111000101010111111100000101110111001101001100001101101011011110110001110101010000000111110100010001100101100111100100101...

18/131=0,0010001100101100111100100101001000010011100010101011111110000010111011100110100110000110110101101111011000111010101000000011111010...

19/131=0,0010010100100001001110001010101111111000001011101110011010011000011011010110111101100011101010100000001111101000100011001011001111...

20/131=0,0010011100010101011111110000010111011100110100110000110110101101111011000111010101000000011111010001000110010110011110010010100100...

21/131=0,0010100100001001110001010101111111000001011101110011010011000011011010110111101100011101010100000001111101000100011001011001111001...

22/131=0,0010101011111110000010111011100110100110000110110101101111011000111010101000000011111010001000110010110011110010010100100001001110...

23/131=0,0010110011110010010100100001001110001010101111111000001011101110011010011000011011010110111101100011101010100000001111101000100011...

24/131=0,0010111011100110100110000110110101101111011000111010101000000011111010001000110010110011110010010100100001001110001010101111111000...

25/131=0,0011000011011010110111101100011101010100000001111101000100011001011001111001001010010000100111000101010111111100000101110111001101...

26/131=0,0011001011001111001001010010000100111000101010111111100000101110111001101001100001101101011011110110001110101010000000111110100010...

27/131=0,0011010011000011011010110111101100011101010100000001111101000100011001011001111001001010010000100111000101010111111100000101110111...

28/131=0,0011011010110111101100011101010100000001111101000100011001011001111001001010010000100111000101010111111100000101110111001101001100...

29/131=0,0011100010101011111110000010111011100110100110000110110101101111011000111010101000000011111010001000110010110011110010010100100001...

30/131=0,0011101010100000001111101000100011001011001111001001010010000100111000101010111111100000101110111001101001100001101101011011110110...

31/131=0,0011110010010100100001001110001010101111111000001011101110011010011000011011010110111101100011101010100000001111101000100011001011...

32/131=0,0011111010001000110010110011110010010100100001001110001010101111111000001011101110011010011000011011010110111101100011101010100000...

33/131=0,0100000001111101000100011001011001111001001010010000100111000101010111111100000101110111001101001100001101101011011110110001110101...

34/131=0,0100001001110001010101111111000001011101110011010011000011011010110111101100011101010100000001111101000100011001011001111001001010...

35/131=0,0100010001100101100111100100101001000010011100010101011111110000010111011100110100110000110110101101111011000111010101000000011111...

36/131=0,0100011001011001111001001010010000100111000101010111111100000101110111001101001100001101101011011110110001110101010000000111110100...

37/131=0,0100100001001110001010101111111000001011101110011010011000011011010110111101100011101010100000001111101000100011001011001111001001...

38/131=0,0100101001000010011100010101011111110000010111011100110100110000110110101101111011000111010101000000011111010001000110010110011110...

39/131=0,0100110000110110101101111011000111010101000000011111010001000110010110011110010010100100001001110001010101111111000001011101110011...

40/131=0,0100111000101010111111100000101110111001101001100001101101011011110110001110101010000000111110100010001100101100111100100101001000...

41/131=0,0101000000011111010001000110010110011110010010100100001001110001010101111111000001011101110011010011000011011010110111101100011101...

42/131=0,0101001000010011100010101011111110000010111011100110100110000110110101101111011000111010101000000011111010001000110010110011110010...

43/131=0,0101010000000111110100010001100101100111100100101001000010011100010101011111110000010111011100110100110000110110101101111011000111...

44/131=0,0101010111111100000101110111001101001100001101101011011110110001110101010000000111110100010001100101100111100100101001000010011100...

45/131=0,0101011111110000010111011100110100110000110110101101111011000111010101000000011111010001000110010110011110010010100100001001110001...

46/131=0,0101100111100100101001000010011100010101011111110000010111011100110100110000110110101101111011000111010101000000011111010001000110...

47/131=0,0101101111011000111010101000000011111010001000110010110011110010010100100001001110001010101111111000001011101110011010011000011011...

48/131=0,0101110111001101001100001101101011011110110001110101010000000111110100010001100101100111100100101001000010011100010101011111110000...

49/131=0,0101111111000001011101110011010011000011011010110111101100011101010100000001111101000100011001011001111001001010010000100111000101...

50/131=0,0110000110110101101111011000111010101000000011111010001000110010110011110010010100100001001110001010101111111000001011101110011010...

51/131=0,0110001110101010000000111110100010001100101100111100100101001000010011100010101011111110000010111011100110100110000110110101101111...

52/131=0,0110010110011110010010100100001001110001010101111111000001011101110011010011000011011010110111101100011101010100000001111101000100...

53/131=0,0110011110010010100100001001110001010101111111000001011101110011010011000011011010110111101100011101010100000001111101000100011001...

54/131=0,0110100110000110110101101111011000111010101000000011111010001000110010110011110010010100100001001110001010101111111000001011101110...

55/131=0,0110101101111011000111010101000000011111010001000110010110011110010010100100001001110001010101111111000001011101110011010011000011...

56/131=0,0110110101101111011000111010101000000011111010001000110010110011110010010100100001001110001010101111111000001011101110011010011000...

57/131=0,0110111101100011101010100000001111101000100011001011001111001001010010000100111000101010111111100000101110111001101001100001101101...

58/131=0,0111000101010111111100000101110111001101001100001101101011011110110001110101010000000111110100010001100101100111100100101001000010...

59/131=0,0111001101001100001101101011011110110001110101010000000111110100010001100101100111100100101001000010011100010101011111110000010111...

60/131=0,0111010101000000011111010001000110010110011110010010100100001001110001010101111111000001011101110011010011000011011010110111101100...

61/131=0,0111011100110100110000110110101101111011000111010101000000011111010001000110010110011110010010100100001001110001010101111111000001...

62/131=0,0111100100101001000010011100010101011111110000010111011100110100110000110110101101111011000111010101000000011111010001000110010110...

63/131=0,0111101100011101010100000001111101000100011001011001111001001010010000100111000101010111111100000101110111001101001100001101101011...

64/131=0,0111110100010001100101100111100100101001000010011100010101011111110000010111011100110100110000110110101101111011000111010101000000...

65/131=0,0111111100000101110111001101001100001101101011011110110001110101010000000111110100010001100101100111100100101001000010011100010101...

66/131=0,1000000011111010001000110010110011110010010100100001001110001010101111111000001011101110011010011000011011010110111101100011101010...

67/131=0,1000001011101110011010011000011011010110111101100011101010100000001111101000100011001011001111001001010010000100111000101010111111...

68/131=0,1000010011100010101011111110000010111011100110100110000110110101101111011000111010101000000011111010001000110010110011110010010100...

69/131=0,1000011011010110111101100011101010100000001111101000100011001011001111001001010010000100111000101010111111100000101110111001101001...

70/131=0,1000100011001011001111001001010010000100111000101010111111100000101110111001101001100001101101011011110110001110101010000000111110...

71/131=0,1000101010111111100000101110111001101001100001101101011011110110001110101010000000111110100010001100101100111100100101001000010011...

72/131=0,1000110010110011110010010100100001001110001010101111111000001011101110011010011000011011010110111101100011101010100000001111101000...

73/131=0,1000111010101000000011111010001000110010110011110010010100100001001110001010101111111000001011101110011010011000011011010110111101...

74/131=0,1001000010011100010101011111110000010111011100110100110000110110101101111011000111010101000000011111010001000110010110011110010010...

75/131=0,1001001010010000100111000101010111111100000101110111001101001100001101101011011110110001110101010000000111110100010001100101100111...

76/131=0,1001010010000100111000101010111111100000101110111001101001100001101101011011110110001110101010000000111110100010001100101100111100...

77/131=0,1001011001111001001010010000100111000101010111111100000101110111001101001100001101101011011110110001110101010000000111110100010001...

78/131=0,1001100001101101011011110110001110101010000000111110100010001100101100111100100101001000010011100010101011111110000010111011100110...

79/131=0,1001101001100001101101011011110110001110101010000000111110100010001100101100111100100101001000010011100010101011111110000010111011...

80/131=0,1001110001010101111111000001011101110011010011000011011010110111101100011101010100000001111101000100011001011001111001001010010000...

81/131=0,1001111001001010010000100111000101010111111100000101110111001101001100001101101011011110110001110101010000000111110100010001100101...

82/131=0,1010000000111110100010001100101100111100100101001000010011100010101011111110000010111011100110100110000110110101101111011000111010...

83/131=0,1010001000110010110011110010010100100001001110001010101111111000001011101110011010011000011011010110111101100011101010100000001111...

84/131=0,1010010000100111000101010111111100000101110111001101001100001101101011011110110001110101010000000111110100010001100101100111100100...

85/131=0,1010011000011011010110111101100011101010100000001111101000100011001011001111001001010010000100111000101010111111100000101110111001...

86/131=0,1010100000001111101000100011001011001111001001010010000100111000101010111111100000101110111001101001100001101101011011110110001110...

87/131=0,1010101000000011111010001000110010110011110010010100100001001110001010101111111000001011101110011010011000011011010110111101100011...

88/131=0,1010101111111000001011101110011010011000011011010110111101100011101010100000001111101000100011001011001111001001010010000100111000...

89/131=0,1010110111101100011101010100000001111101000100011001011001111001001010010000100111000101010111111100000101110111001101001100001101...

90/131=0,1010111111100000101110111001101001100001101101011011110110001110101010000000111110100010001100101100111100100101001000010011100010...

91/131=0,1011000111010101000000011111010001000110010110011110010010100100001001110001010101111111000001011101110011010011000011011010110111...

92/131=0,1011001111001001010010000100111000101010111111100000101110111001101001100001101101011011110110001110101010000000111110100010001100...

93/131=0,1011010110111101100011101010100000001111101000100011001011001111001001010010000100111000101010111111100000101110111001101001100001...

94/131=0,1011011110110001110101010000000111110100010001100101100111100100101001000010011100010101011111110000010111011100110100110000110110...

95/131=0,1011100110100110000110110101101111011000111010101000000011111010001000110010110011110010010100100001001110001010101111111000001011...

96/131=0,1011101110011010011000011011010110111101100011101010100000001111101000100011001011001111001001010010000100111000101010111111100000...

97/131=0,1011110110001110101010000000111110100010001100101100111100100101001000010011100010101011111110000010111011100110100110000110110101...

98/131=0,1011111110000010111011100110100110000110110101101111011000111010101000000011111010001000110010110011110010010100100001001110001010...

99/131=0,1100000101110111001101001100001101101011011110110001110101010000000111110100010001100101100111100100101001000010011100010101011111...

100/131=0,1100001101101011011110110001110101010000000111110100010001100101100111100100101001000010011100010101011111110000010111011100110100...

101/131=0,1100010101011111110000010111011100110100110000110110101101111011000111010101000000011111010001000110010110011110010010100100001001...

102/131=0,1100011101010100000001111101000100011001011001111001001010010000100111000101010111111100000101110111001101001100001101101011011110...

103/131=0,1100100101001000010011100010101011111110000010111011100110100110000110110101101111011000111010101000000011111010001000110010110011...

104/131=0,1100101100111100100101001000010011100010101011111110000010111011100110100110000110110101101111011000111010101000000011111010001000...

105/131=0,1100110100110000110110101101111011000111010101000000011111010001000110010110011110010010100100001001110001010101111111000001011101...

106/131=0,1100111100100101001000010011100010101011111110000010111011100110100110000110110101101111011000111010101000000011111010001000110010...

107/131=0,1101000100011001011001111001001010010000100111000101010111111100000101110111001101001100001101101011011110110001110101010000000111...

108/131=0,1101001100001101101011011110110001110101010000000111110100010001100101100111100100101001000010011100010101011111110000010111011100...

109/131=0,1101010100000001111101000100011001011001111001001010010000100111000101010111111100000101110111001101001100001101101011011110110001...

110/131=0,1101011011110110001110101010000000111110100010001100101100111100100101001000010011100010101011111110000010111011100110100110000110...

111/131=0,1101100011101010100000001111101000100011001011001111001001010010000100111000101010111111100000101110111001101001100001101101011011...

112/131=0,1101101011011110110001110101010000000111110100010001100101100111100100101001000010011100010101011111110000010111011100110100110000...

113/131=0,1101110011010011000011011010110111101100011101010100000001111101000100011001011001111001001010010000100111000101010111111100000101...

114/131=0,1101111011000111010101000000011111010001000110010110011110010010100100001001110001010101111111000001011101110011010011000011011010...

115/131=0,1110000010111011100110100110000110110101101111011000111010101000000011111010001000110010110011110010010100100001001110001010101111...

116/131=0,1110001010101111111000001011101110011010011000011011010110111101100011101010100000001111101000100011001011001111001001010010000100...

117/131=0,1110010010100100001001110001010101111111000001011101110011010011000011011010110111101100011101010100000001111101000100011001011001...

118/131=0,1110011010011000011011010110111101100011101010100000001111101000100011001011001111001001010010000100111000101010111111100000101110...

119/131=0,1110100010001100101100111100100101001000010011100010101011111110000010111011100110100110000110110101101111011000111010101000000011...

120/131=0,1110101010000000111110100010001100101100111100100101001000010011100010101011111110000010111011100110100110000110110101101111011000...

121/131=0,1110110001110101010000000111110100010001100101100111100100101001000010011100010101011111110000010111011100110100110000110110101101...

122/131=0,1110111001101001100001101101011011110110001110101010000000111110100010001100101100111100100101001000010011100010101011111110000010...

123/131=0,1111000001011101110011010011000011011010110111101100011101010100000001111101000100011001011001111001001010010000100111000101010111...

124/131=0,1111001001010010000100111000101010111111100000101110111001101001100001101101011011110110001110101010000000111110100010001100101100...

125/131=0,1111010001000110010110011110010010100100001001110001010101111111000001011101110011010011000011011010110111101100011101010100000001...

126/131=0,1111011000111010101000000011111010001000110010110011110010010100100001001110001010101111111000001011101110011010011000011011010110...

127/131=0,1111100000101110111001101001100001101101011011110110001110101010000000111110100010001100101100111100100101001000010011100010101011...

128/131=0,1111101000100011001011001111001001010010000100111000101010111111100000101110111001101001100001101101011011110110001110101010000000...

129/131=0,1111110000010111011100110100110000110110101101111011000111010101000000011111010001000110010110011110010010100100001001110001010101...

130/131=0,1111111000001011101110011010011000011011010110111101100011101010100000001111101000100011001011001111001001010010000100111000101010...