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 A113961 #2 Mar 30 2012 17:27:48 %S A113961 1,2,3,4,6,8,9,12,14,16,18,20,22,23,25,27,31,33,35,37,39,41,43,45,47, %T A113961 49,51,52,54,60,64,66,68,70,72,74,76,78,80,84,86,88,90,92,94,96,98, %U A113961 100,102,104,106,108,110,112,114,116,118,123,125,127,129,151,157,159,167,169 %N A113961 Where records occur in A093903. %Y A113961 Cf. A093903, A113960. %K A113961 nonn %O A113961 1,2 %A A113961 _Klaus Brockhaus_, Nov 10 2005