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Ceiling of Gamma(n+3/7)/Gamma(3/7).
2

%I #15 Oct 22 2023 01:23:58

%S 1,1,1,2,6,23,123,788,5853,49331,465113,4850461,55433830,688963307,

%T 9251792973,133490155744,2059562402903,33835668047687,589707357402531,

%U 10867464157846630,211139303638163097,4313274345751046121

%N Ceiling of Gamma(n+3/7)/Gamma(3/7).

%H Robert Israel, <a href="/A020122/b020122.txt">Table of n, a(n) for n = 0..449</a>

%p Digits := 64:f := proc(n,x) ceil(GAMMA(n+x)/GAMMA(x)); end;

%Y Cf. A220608.

%K nonn

%O 0,4

%A _Simon Plouffe_