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 A020117 #6 Mar 30 2012 18:36:22 %S A020117 1,1,1,2,5,19,98,620,4570,38270,358779,3722326,42341448,523975412, %T A020117 7008171125,100742459919,1548915321246,25363488385399,440690610696308, %U A020117 8097689971544645,156892743198677493,3196689642673053919 %N A020117 Ceiling of GAMMA(n+3/8)/GAMMA(3/8). %p A020117 Digits := 64:f := proc(n,x) ceil(GAMMA(n+x)/GAMMA(x)); end; %K A020117 nonn %O A020117 0,4 %A A020117 _Simon Plouffe_