This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A169868 #5 Aug 08 2017 12:31:05 %S A169868 2,3,8,9,10,13,17,22,23,26,30,31,33,41,43,44,46,48,49,55,56,57,58,59, %T A169868 61,63,69,70,74,75,79,80,83,84,85,86,87,88,89,92,93,94,95,96,97,99, %U A169868 103,104,108,111,115,116,118,119,120,121,122,125,127,128,129,130,131,133,134,135 %N A169868 Positions of zeros in binary expansion of the reciprocal of the golden ratio (0.618...). %H A169868 T. D. Noe, <a href="/A169868/b169868.txt">Table of n, a(n) for n=1..1000</a> %t A169868 Position[RealDigits[1/GoldenRatio,2,150][[1]],0]//Flatten (* _Harvey P. Dale_, Aug 08 2017 *) %Y A169868 Cf. A068432, A004714. %K A169868 nonn %O A169868 1,1 %A A169868 _N. J. A. Sloane_, Jul 04 2010