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 A020120 #8 Dec 17 2012 06:12:05 %S A020120 1,1,2,4,13,59,333,2233,17226,150104,1458150,15623032,183012660, %T A020120 2326875240,31911431854,469553925839,7378704548889,123329776031415, %U A020120 2184698889699347,40885079221516336,806020133224179177 %N A020120 Ceiling of GAMMA(n+5/7)/GAMMA(5/7). %p A020120 Digits := 64:f := proc(n,x) ceil(GAMMA(n+x)/GAMMA(x)); end; %Y A020120 Cf. A220606. %K A020120 nonn %O A020120 0,3 %A A020120 _Simon Plouffe_