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A020059
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a(n) = floor(Gamma(n+1/11) / Gamma(1/11)).
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2
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1, 0, 0, 0, 0, 2, 13, 81, 576, 4664, 42405, 427908, 4745899, 57382239, 751185683, 10584889174, 159735600269, 2570291022522, 43928610203108, 794708493674422, 15171707606511701, 304813398276280545, 6428791672736098775
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OFFSET
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0,6
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LINKS
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FORMULA
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a(n) ~ n^(n - 9/22)*e^(-n)*sqrt(2*Pi)/Gamma(1/11). - Robert Israel, Mar 04 2019
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MAPLE
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Digits := 64:f := proc(n, x) trunc(GAMMA(n+x)/GAMMA(x)); end;
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MATHEMATICA
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Table[Floor[Pochhammer[1/11, n]], {n, 0, 30}] (* G. C. Greubel, Mar 04 2019 *)
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PROG
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(PARI) a(n) = floor(gamma(n+1/11)/gamma(1/11)) \\ Felix Fröhlich, Mar 04 2019
(Magma) [Floor(Gamma(n+1/11)/Gamma(1/11)): n in [0..30]]; // G. C. Greubel, Mar 04 2019
(Sage) [floor(gamma(n+1/11)/gamma(1/11)) for n in (0..30)] # G. C. Greubel, Mar 04 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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