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A020060
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a(n) = floor( Gamma(n+9/10)/Gamma(9/10) ).
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4
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1, 0, 1, 4, 19, 94, 559, 3857, 30477, 271252, 2685395, 29270806, 348322596, 4493361500, 62457724853, 930620100318, 14796859595058, 250066927156481, 4476197996101023, 84600142126309335, 1683542828313555774
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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:f := proc(n, x) trunc(GAMMA(n+x)/GAMMA(x)); end;
seq(floor(pochhammer(9/10, n)), n = 0..20); # G. C. Greubel, Nov 13 2019
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MATHEMATICA
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Floor[Pochhammer[9/10, Range[0, 20]]] (* G. C. Greubel, Nov 13 2019 *)
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PROG
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(PARI) vector(21, n, my(x=9/10); gamma(n-1+x)\gamma(x) ) \\ G. C. Greubel, Nov 13 2019
(Magma) [Floor(Gamma(n+9/10)/Gamma(9/10)): n in [0..20]]; // G. C. Greubel, Nov 13 2019
(Sage) [floor(rising_factorial(9/10, n)) for n in (0..20)] # G. C. Greubel, Nov 13 2019
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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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