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 A097661 #4 Mar 31 2012 14:11:24 %S A097661 4,7,16,44,1376,1885518 %N A097661 a(n)^n = A080808(n). %C A097661 a(7) > 10^7. - _David Wasserman_, Dec 28 2007 %K A097661 more,nonn %O A097661 1,1 %A A097661 _Ray G. Opao_, Sep 20 2004