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 A092027 #3 Jun 29 2008 03:00:00 %S A092027 4,5,10,11,12,14,29,53,81,90,116,236,323,346,1172,2957 %N A092027 Duplicate of A084750. %K A092027 dead %O A092027 1,1