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A020081
a(n) = floor( Gamma(n + 1/6)/Gamma(1/6) ).
2
1, 0, 0, 0, 1, 5, 28, 177, 1269, 10365, 95019, 966032, 10787362, 131246245, 1728075562, 24481070469, 371296235455, 6002622473192, 103045019123132, 1871984514070244, 35879703186346359, 723574014257984910
OFFSET
0,6
LINKS
MAPLE
Digits:= 64: x:=1/6: f:= proc(n, x) trunc(GAMMA(n+x)/GAMMA(x)); end;
seq(floor(pochhammer(1/6, n)), n = 0..25); # G. C. Greubel, Nov 17 2019
MATHEMATICA
Floor[Pochhammer[1/6, Range[0, 25]]] (* G. C. Greubel, Nov 19 2018 *)
PROG
(PARI) vector(26, n, my(x=1/6); gamma(n-1+x)\gamma(x) ) \\ G. C. Greubel, Nov 19 2018
(Magma) [Truncate(Gamma(n + 1/6)/Gamma(1/6)): n in [0..30]]; // G. C. Greubel, Nov 19 2018
(Sage) [int(gamma(n + 1/6)/gamma(1/6)) for n in range(30)] # G. C. Greubel, Nov 19 2018
CROSSREFS
Sequence in context: A349318 A367889 A082031 * A095676 A324352 A006157
KEYWORD
nonn
AUTHOR
STATUS
approved