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A020083
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a(n) = floor( Gamma(n + 3/5)/Gamma(3/5) ).
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5
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1, 0, 0, 2, 8, 41, 231, 1527, 11610, 99850, 958561, 10160755, 117864768, 1485096081, 20197306708, 294880677941, 4600138575887, 76362300359740, 1343976486331425, 24997962645764522, 489960067856984638
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OFFSET
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0,4
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LINKS
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MAPLE
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Digits:= 64: x:=3/5: f:= proc(n, x) trunc(GAMMA(n+x)/GAMMA(x)); end;
seq(floor(pochhammer(3/5, n)), n = 0..25); # G. C. Greubel, Nov 17 2019
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MATHEMATICA
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Floor[Pochhammer[3/5, Range[0, 25]]] (* G. C. Greubel, Nov 19 2018 *)
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PROG
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(PARI) vector(26, n, my(x=3/5); gamma(n-1+x)\gamma(x) ) \\ G. C. Greubel, Nov 19 2018
(Magma) [Truncate(Gamma(n + 3/5)/Gamma(3/5)): n in [0..30]]; // G. C. Greubel, Nov 19 2018
(Sage) [int(gamma(n + 3/5)/gamma(3/5)) for n in range(30)] # G. C. Greubel, Nov 19 2018
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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