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A020082
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a(n) = floor( Gamma(n + 4/5)/Gamma(4/5) ).
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5
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1, 0, 1, 4, 15, 73, 426, 2900, 22624, 199094, 1951127, 21072175, 248651668, 3182741351, 43921830647, 650043093588, 10270680878693, 172547438762055, 3071344409964594, 57741274907334370, 1143277243165220533
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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:=4/5: f:= proc(n, x) trunc(GAMMA(n+x)/GAMMA(x)); end;
seq(floor(pochhammer(4/5, n)), n = 0..25); # G. C. Greubel, Nov 17 2019
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MATHEMATICA
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Floor[Pochhammer[4/5, Range[0, 25]]] (* G. C. Greubel, Nov 19 2018 *)
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PROG
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(PARI) vector(26, n, my(x=4/5); gamma(n-1+x)\gamma(x) ) \\ G. C. Greubel, Nov 19 2018
(Magma) [Truncate(Gamma(n + 4/5)/Gamma(4/5)): n in [0..30]]; // G. C. Greubel, Nov 19 2018
(Sage) [int(gamma(n + 4/5)/gamma(4/5)) 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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