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A020064
Integer part of Gamma(n+8/9)/Gamma(8/9).
8
1, 0, 1, 4, 18, 92, 543, 3741, 29513, 262341, 2594261, 28248627, 335844792, 4328666215, 60120364100, 895125421053, 14222548356738, 240203038913807, 4296965473902563, 81164903395937306, 1614279745319197538
OFFSET
0,4
LINKS
MAPLE
Digits := 64:f := proc(n, x) trunc(GAMMA(n+x)/GAMMA(x)); end;
seq(trunc(pochhammer(8/9, n)), n = 0..20); # G. C. Greubel, Nov 13 2019
MATHEMATICA
IntegerPart[Pochhammer[8/9, Range[0, 20]]] (* G. C. Greubel, Nov 13 2019 *)
PROG
(PARI) P(n, x) = gamma(x+n)/gamma(x);
vector(21, n, truncate(P(n-1, 8/9)) ) \\ G. C. Greubel, Nov 13 2019
(Magma) [Truncate(Gamma(n+8/9)/Gamma(8/9)): n in [0..20]]; // G. C. Greubel, Nov 13 2019
(Sage) [int(rising_factorial(8/9, n)) for n in (0..20)] # G. C. Greubel, Nov 13 2019
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved