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 A098225 #3 Nov 10 2007 03:00:00 %S A098225 4,20,97,510,2529,10239,33950,90510,145227,0,0,0,0,0,0,0,0,0,0,0,0,0,0 %N A098225 Duplicate of A073532. %K A098225 dead %O A098225 1,1