A020110 Ceiling of Gamma(n + 7/9)/Gamma(7/9).

1, 1, 2, 4, 15, 70, 401, 2715, 21116, 185346, 1812264, 19532171, 230045569, 2939471158, 40499380397, 598490843643, 9442855533027, 158430131720784, 2816535675036147, 52888281009012093, 1046012668844905827

Offset

0,3

Links

Table of n, a(n) for n=0..20.

Maple

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

Mathematica

Table[Ceiling[Gamma[n + 7/9]/Gamma[7/9]], {n, 0, 29}] (* Alonso del Arte, Jun 17 2018 *)

Prog

(PARI) a(n) = ceil(gamma(n + 7/9)/gamma(7/9)); \\ Michel Marcus, Jun 21 2018

Crossrefs

Sequence in context: A112281 A316661 A014517 * A290024 A292757 A182449

Adjacent sequences: A020107 A020108 A020109 * A020111 A020112 A020113

Keyword

nonn

Author

Simon Plouffe

Status

approved