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 A141122 #37 Oct 18 2014 14:01:16 %S A141122 13,37,61,73,97,109,157,181,193,229,241,277,313,337 %N A141122 Duplicate of A068228. %K A141122 dead %O A141122 1,1