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 A085335 #3 Sep 29 2006 03:00:00 %S A085335 7,14,15,21,22,23,42,47,49,50,61,77,85,87,103,106,111,112,113,114,122 %N A085335 Duplicate of A069137. %K A085335 dead %O A085335 1,1