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 A187694 #7 Jul 29 2015 13:47:23 %S A187694 -1,3,22,-53,-56 %N A187694 Erroneous version of A086596. %K A187694 dead %O A187694 1,2 %A A187694 _Ray Chandler_, Jul 29 2015