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 A080461 #3 May 11 2007 03:00:00 %S A080461 1,1,1,1,1,1,1,1,1,10,5,4,3,2,2,2,2,2,1,10,7,5,4,4,3,3,3,2,2,10,7,6,5, %T A080461 4 %N A080461 Duplicate of A066578. %K A080461 dead %O A080461 1,10