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 A020109 #6 Mar 30 2012 18:36:22 %S A020109 1,1,2,5,19,93,544,3742,29514,262342,2594262,28248628,335844793, %T A020109 4328666216,60120364101,895125421054,14222548356739,240203038913808, %U A020109 4296965473902564,81164903395937307,1614279745319197539 %N A020109 Ceiling of GAMMA(n+8/9)/GAMMA(8/9). %p A020109 Digits := 64:f := proc(n,x) ceil(GAMMA(n+x)/GAMMA(x)); end; %K A020109 nonn %O A020109 0,3 %A A020109 _Simon Plouffe_