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 A085615 #3 May 11 2007 03:00:00 %S A085615 1,1,2,8,48,352,2880,25216,231168,2190848,21292032,211044352 %N A085615 Duplicate of A054726. %K A085615 dead %O A085615 1,3