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 A113513 #3 Jul 14 2012 11:41:05 %S A113513 1,10,1,6,9,3,9,4,1,30,1,93,9,39,33,1,25,22,16,121 %N A113513 First number in the ascending sequence associated with A114754. %K A113513 base,nonn %O A113513 1,2 %A A113513 _Robert G. Wilson v_, Jan 03 2006