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 A229034 #5 Sep 16 2013 12:27:34 %S A229034 1,2,3,4,5,6,8,10,16,22,23,25,28 %N A229034 Indices of records in A229030. %Y A229034 Cf. A000230, A133429, A133430, A226657, A229021, A229028, A229030, A229033. %K A229034 nonn,more %O A229034 1,2 %A A229034 _Arkadiusz Wesolowski_, Sep 11 2013