A020063 Integer part of Gamma(n+1/10)/Gamma(1/10).
1, 0, 0, 0, 0, 2, 14, 91, 648, 5252, 47801, 482796, 5359035, 64844332, 849460756, 11977396665, 180858689641, 2911824903229, 49792205845228, 901238925798638, 17213663482753993, 345994636003355264, 7300486819670796087
Offset: 0
Keywords
Links
- G. C. Greubel, Table of n, a(n) for n = 0..445
Programs
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Magma
[Truncate(Gamma(n+1/10)/Gamma(1/10)): n in [0..25]]; // G. C. Greubel, Nov 13 2019
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Maple
Digits := 64:f := proc(n,x) trunc(GAMMA(n+x)/GAMMA(x)); end; seq(trunc(pochhammer(1/10,n)), n = 0..25); # G. C. Greubel, Nov 13 2019
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Mathematica
IntegerPart[Pochhammer[1/10, Range[0, 25]]] (* G. C. Greubel, Nov 13 2019 *)
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PARI
P(n,x) = gamma(x+n)/gamma(x); vector(26, n, truncate(P(n-1, 1/10)) ) \\ G. C. Greubel, Nov 13 2019
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Sage
[int(rising_factorial(1/10, n)) for n in (0..25)] # G. C. Greubel, Nov 13 2019