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 A092737 #4 Jan 09 2009 03:00:00 %S A092737 7,11,17,23,29,41,59,67,83,89,127,137,151,197,239,257,307,359,383,389 %N A092737 Duplicate of A072669. %K A092737 dead %O A092737 1,1