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A020070
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a(n) = floor( Gamma(n+7/8)/Gamma(7/8) ).
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5
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1, 0, 1, 4, 18, 89, 523, 3598, 28341, 251531, 2483877, 27012163, 320769440, 4129906548, 57302453360, 852373993744, 13531437150692, 228343001917931, 4081631159283027, 77040788131467135, 1531185664112909314
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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(7/8, n)), n = 0..25); # G. C. Greubel, Nov 17 2019
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MATHEMATICA
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Floor[Pochhammer[7/8, Range[0, 25]]] (* G. C. Greubel, Nov 17 2019 *)
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PROG
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(PARI) vector(26, n, my(x=7/8); gamma(n-1+x)\gamma(x) ) \\ G. C. Greubel, Nov 17 2019
(Magma) [Floor(Gamma(n+7/8)/Gamma(7/8)): n in [0..25]]; // G. C. Greubel, Nov 17 2019
(Sage) [floor(rising_factorial(7/8, n)) for n in (0..25)] # G. C. Greubel, Nov 17 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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