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 A087096 #5 Aug 27 2010 03:00:00 %S A087096 515904,11318,15216,10799546,129618,125258,14118,10211981,2839691 %N A087096 Duplicate of A072959. %K A087096 dead %O A087096 1,1