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 A108801 #10 Mar 30 2012 16:50:18 %S A108801 2,4,10,38,368,29328,216591602 %N A108801 Erroneous version of A193675. %C A108801 The OEIS policy is to include incorrect published sequences, giving a pointer to the correct version. %K A108801 dead %O A108801 0,1 %A A108801 _N. J. A. Sloane_, Aug 02 2011