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 A060071 #6 Mar 30 2012 18:51:33 %S A060071 0,1,8,63,624,7775,117648,2097151,43046720,999999999,25937424600 %N A060071 Duplicate of A037205. %K A060071 dead %O A060071 1,3 %A A060071 _Henry Bottomley_, Feb 21 2001