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 A098433 #2 Apr 30 2014 01:28:30 %S A098433 1,7,177,10199,1051745,169913511,39576670993,12555482177143, %T A098433 5204598491645121,2731249457298541895,1769824793166593577329, %U A098433 1387848700381793990412567,1295310886227493280950806817 %N A098433 Constant terms of polynomials in A098432. %K A098433 nonn %O A098433 0,2 %A A098433 _Ralf Stephan_, Sep 07 2004