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 A190711 #4 Mar 30 2012 18:57:29 %S A190711 3,7,11,18,22,26,33,37,41,48,52,59,63,67,74,78,82,89,93,97,104,108, %T A190711 115,119,123,130,134,138,145,149,153,156,160,164,171,175,179,186,190, %U A190711 194,201,205,212,216,220,227,231,235,242,246,250,257,261,268,272,276,283,287,291,298,302,306,313,317,324,328,332,339,343,347,354 %N A190711 Positions of 0 in A190710. %C A190711 See A190710. %t A190711 (See A190710.) %Y A190711 Cf. A190710. %K A190711 nonn %O A190711 1,1 %A A190711 _Clark Kimberling_, May 17 2011