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 A190764 #4 Mar 30 2012 18:57:29 %S A190764 2,5,6,9,12,13,15,16,19,22,23,26,29,30,32,33,36,37,39,40,43,46,47,50, %T A190764 53,54,56,57,60,63,64,67,70,71,73,74,77,78,80,81,84,87,88,90,91,94,95, %U A190764 97,98,101,104,105,108,111,112,114,115,118,121,122,125,128,129,131,132,135,136,138,139,142,145,146,149,152,153,155,156,159,162 %N A190764 Positions of 1 in A190762. %C A190764 See A190762. %t A190764 (See A190762.) %Y A190764 Cf. A190762. %K A190764 nonn %O A190764 1,1 %A A190764 _Clark Kimberling_, May 19 2011