A020049 a(n) = floor(Gamma(n+1/12)/Gamma(1/12)).
1, 0, 0, 0, 0, 2, 12, 73, 518, 4192, 38083, 384010, 4256112, 51428023, 672849973, 9475970454, 142929221023, 2298778304796, 39270796040272, 710146895061597, 13551969914092152, 272168729108017392, 5738224038694033364
Offset: 0
Keywords
Links
- G. C. Greubel, Table of n, a(n) for n = 0..450
Programs
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Magma
[Floor(Gamma(n+1/12)/Gamma(1/12)): n in [0..25]]; // G. C. Greubel, Dec 01 2019
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Maple
Digits := 64:f := proc(n,x) trunc(GAMMA(n+x)/GAMMA(x)); end; seq(floor(pochhammer(1/12,n)), n = 0..25); # G. C. Greubel, Dec 01 2019
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Mathematica
Floor[Pochhammer[1/12, Range[0, 25]]] (* G. C. Greubel, Dec 01 2019 *)
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PARI
x=1/12; vector(26, n, gamma(n-1+x)\gamma(x) ) \\ G. C. Greubel, Dec 01 2019
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Sage
[floor(rising_factorial(1/12, n)) for n in (0..25)] # G. C. Greubel, Dec 01 2019