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A020088 Integer part of Gamma(n + 2/3)/Gamma(2/3). 2
1, 0, 1, 2, 10, 50, 287, 1915, 14684, 127262, 1230201, 13122149, 153091744, 1939162100, 26501882045, 388694270000, 6089543563340, 101492392722342, 1793032271428052, 33469935733323641, 658242069422031618 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

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

MAPLE

Digits:= 64: x:=2/3: f := proc(n, x) trunc(GAMMA(n+x)/GAMMA(x)); end;

MATHEMATICA

Table[IntegerPart[Pochhammer[2/3, n]], {n, 0, 30}] (* G. C. Greubel, Nov 19 2018 *)

PROG

(PARI) default(realprecision, 100); for(n=0, 30, print1(truncate( gamma(n+2/3)/gamma(2/3)), ", ")) \\ G. C. Greubel, Nov 19 2018

(MAGMA) [Truncate(Gamma(n + 2/3)/Gamma(2/3)): n in [0..30]]; // G. C. Greubel, Nov 19 2018

(Sage) [int(gamma(n + 2/3)/gamma(2/3))  for n in range(30)] # G. C. Greubel, Nov 19 2018

CROSSREFS

Cf. A020043, A020133.

Sequence in context: A027908 A206637 A318494 * A205772 A306336 A074140

Adjacent sequences:  A020085 A020086 A020087 * A020089 A020090 A020091

KEYWORD

nonn

AUTHOR

Simon Plouffe

STATUS

approved

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Last modified February 18 00:19 EST 2019. Contains 320237 sequences. (Running on oeis4.)