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 A096009 #4 Jan 12 2007 03:00:00 %S A096009 1,2,2,2,3,4,4,3,4,6,6,4,7,8,6,4,9,8,10,6,8,12,12,6,11,14 %N A096009 Duplicate of A000224. %K A096009 dead %O A096009 1,2