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 A020132 #6 Mar 30 2012 18:36:22 %S A020132 1,1,1,1,3,10,51,319,2311,19061,176311,1807182,20330789,249052162, %T A020132 3299941146,47024161318,717118460091,11653174976469,201017268344079, %U A020132 3668565147279424,70619879085128904,1430052551473860293 %N A020132 Ceiling of GAMMA(n+1/4)/GAMMA(1/4). %p A020132 Digits := 64:f := proc(n,x) ceil(GAMMA(n+x)/GAMMA(x)); end; %K A020132 nonn %O A020132 0,5 %A A020132 _Simon Plouffe_