Considérons la séquence numérique suivante: 0,12,14,34,18,38,58,78,116,316,516,716,916,1116,1316,1516,132,332,532,…0,12,14,34,18,38,58,78,116,316,516,716,916,1116,1316,1516,132,332,532,… 0, \frac{1}{2}, \frac{1}{4}, \frac{3}{4}, \frac{1}{8}, \frac{3}{8}, \frac{5}{8}, \frac{7}{8}, \frac{1}{16},...