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 A093363 #1 Jun 12 2004 03:00:00 %S A093363 1,2,3,7,23,29,157,1307,1669,1879,2089,249037,262897,725663 %N A093363 Erroneous version of A005115. %D A093363 R. K. Guy, Unsolved Problems in Number Theory, A5. %K A093363 dead %O A093363 0,2