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 A096120 #4 Sep 29 2006 03:00:00 %S A096120 1,1,2,3,4,5,6,8,11,12,13,15,18,22,27,33,41,42,43,45,48,52,57,63,71,82 %N A096120 Erroneous version of A050030. %K A096120 dead %O A096120 1,3