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 A098938 #3 Jan 09 2009 03:00:00 %S A098938 0,1,33,96,190,315,471,658,876,1125,1405,1716,2058,2431,2835,3270,3736 %N A098938 Duplicate of A098923. %K A098938 dead %O A098938 0,3