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 A108799 #8 Mar 30 2012 16:50:18 %S A108799 1,2,5,19,184,14664,108295801 %N A108799 Erroneous version of A193674. %C A108799 The OEIS policy is to include incorrect published sequences, giving a pointer to the correct version. %K A108799 dead %O A108799 0,2 %A A108799 _N. J. A. Sloane_, Aug 02 2011