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 A098676 #3 May 11 2007 03:00:00 %S A098676 73,1423,1459,2377,2503,3457,7741,9433,10891,10909,16057,17299,17623 %N A098676 Duplicate of A056214. %K A098676 dead %O A098676 1,1