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 A077461 #5 May 11 2007 03:00:00 %S A077461 2,14,82,478,2786,16238,94642,551614,3215042,18738638,109216786 %N A077461 Duplicate of A077444. %K A077461 dead %O A077461 1,1