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 A151796 #1 Jun 01 2010 03:00:00 %S A151796 2,3,5,7,11,13,17,19,23,2, %T A151796 93137414347535961677173798389971011031071091131,271,31,13,7,13, %U A151796 91491511,571,631,67,17,3,17,9181,19,11,9319,7,19 %N A151796 Erroneous version of A074721. %K A151796 dead %O A151796 1,1