A020031 - OEIS

%I #16 Dec 24 2023 17:52:13

%S 1,1,1,2,8,38,210,1380,10450,89574,857352,9063435,104876887,

%T 1318452295,17893281148,260730668151,4059948975491,67279154450986,

%U 1182190856781603,21954973054515490,429690186924088871

%N Nearest integer to Gamma(n + 4/7)/Gamma(4/7).

%C a(n) equals A020121(n) or A020076(n). - _R. J. Mathar_, May 18 2007

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

%t Round[Gamma[Range[0,20]+4/7]/Gamma[4/7]] (* _Harvey P. Dale_, Dec 24 2023 *)

%Y Cf. A020121, A020076, A220609.

%K nonn

%O 0,4

%A _Simon Plouffe_