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A020110
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Ceiling of Gamma(n + 7/9)/Gamma(7/9).
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2
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1, 1, 2, 4, 15, 70, 401, 2715, 21116, 185346, 1812264, 19532171, 230045569, 2939471158, 40499380397, 598490843643, 9442855533027, 158430131720784, 2816535675036147, 52888281009012093, 1046012668844905827
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OFFSET
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0,3
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LINKS
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MAPLE
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Digits := 64:f := proc(n, x) ceil(GAMMA(n+x)/GAMMA(x)); end;
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MATHEMATICA
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Table[Ceiling[Gamma[n + 7/9]/Gamma[7/9]], {n, 0, 29}] (* Alonso del Arte, Jun 17 2018 *)
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PROG
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(PARI) a(n) = ceil(gamma(n + 7/9)/gamma(7/9)); \\ Michel Marcus, Jun 21 2018
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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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