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 A092907 #3 Jan 09 2009 03:00:00 %S A092907 0,1,2,3,4,5,6,7,8,9,100,101,102,103,104,105,106,107,108,109,200,201 %N A092907 Duplicate of A051022. %K A092907 dead %O A092907 0,3