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 A122527 #7 Jun 19 2012 03:30:00 %S A122527 2,11,172,6327,474286,67147431,17080038508 %N A122527 Duplicate of A121231. %K A122527 dead %O A122527 1,1