A020054 a(n) = floor(Gamma(n+6/11)/Gamma(6/11)).

1, 0, 0, 2, 7, 34, 191, 1255, 9470, 80933, 772544, 8146833, 94058896, 1180011610, 15983793633, 232491543752, 3614186725611, 59798362187391, 1049189445651506, 19457695173900667, 380309496580785766

Offset

0,4

Links

G. C. Greubel, Table of n, a(n) for n = 0..449

Maple

Digits := 64:f := proc(n, x) trunc(GAMMA(n+x)/GAMMA(x)); end;
seq(floor(pochhammer(6/11, n)), n = 0..25); # G. C. Greubel, Nov 30 2019

Mathematica

Floor[Pochhammer[6/11, Range[0, 25]]] (* G. C. Greubel, Nov 30 2019 *)

Prog

(PARI) x=6/11; vector(26, n, gamma(n-1+x)\gamma(x) ) \\ G. C. Greubel, Nov 30 2019
(Magma) [Floor(Gamma(n+6/11)/Gamma(6/11)): n in [0..25]]; // G. C. Greubel, Nov 30 2019
(Sage) [floor(rising_factorial(6/11, n)) for n in (0..25)] # G. C. Greubel, Nov 30 2019

Crossrefs

Cf. A020009, A020099.

Sequence in context: A377963 A058915 A273030 * A206240 A289720 A190631

Adjacent sequences: A020051 A020052 A020053 * A020055 A020056 A020057

Keyword

nonn

Author

Simon Plouffe

Status

approved