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 A086485 #3 May 11 2007 03:00:00 %S A086485 3,2,15,6,35,3,7,5,11,30,143,42,195,14,255,2,323,10,399,110,483,33,23 %N A086485 Duplicate of A068310. %K A086485 dead %O A086485 2,1