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 A106172 #2 Mar 30 2012 17:26:15 %S A106172 1,2,3,6,10,11,42,53,89,142,204,238,324,434,764,926 %N A106172 Positions of records in A107058. %Y A106172 Cf. A074928, A107019, A107057, A107058, A107059. %K A106172 nonn %O A106172 1,2 %A A106172 _Zak Seidov_, May 10 2005