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 A190459 #4 Mar 30 2012 18:57:28 %S A190459 2,5,10,15,18,23,26,31,36,39,44,47,49,52,57,60,65,70,73,78,81,86,91, %T A190459 94,99,102,104,107,112,115,120,125,128,133,136,141,146,149,154,159, %U A190459 162,167,170,175,180,183,188,191,193,196,201,204,209,214,217,222,225,230,235,238,243,248,251,256,259,264,269,272,277,280,282,285 %N A190459 Positions of 1 in A190457. %C A190459 See A190457. %t A190459 (See A190457.) %Y A190459 Cf. A190457. %K A190459 nonn %O A190459 1,1 %A A190459 _Clark Kimberling_, May 10 2011