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A020054 a(n) = floor(Gamma(n+6/11)/Gamma(6/11)). 2

%I

%S 1,0,0,2,7,34,191,1255,9470,80933,772544,8146833,94058896,1180011610,

%T 15983793633,232491543752,3614186725611,59798362187391,

%U 1049189445651506,19457695173900667,380309496580785766

%N a(n) = floor(Gamma(n+6/11)/Gamma(6/11)).

%H G. C. Greubel, <a href="/A020054/b020054.txt">Table of n, a(n) for n = 0..449</a>

%p Digits := 64:f := proc(n,x) trunc(GAMMA(n+x)/GAMMA(x)); end;

%p seq(floor(pochhammer(6/11,n)), n = 0..25); # _G. C. Greubel_, Nov 30 2019

%t Floor[Pochhammer[6/11, Range[0, 25]]] (* _G. C. Greubel_, Nov 30 2019 *)

%o (PARI) x=6/11; vector(26, n, gamma(n-1+x)\gamma(x) ) \\ _G. C. Greubel_, Nov 30 2019

%o (MAGMA) [Floor(Gamma(n+6/11)/Gamma(6/11)): n in [0..25]]; // _G. C. Greubel_, Nov 30 2019

%o (Sage) [floor(rising_factorial(6/11, n)) for n in (0..25)] # _G. C. Greubel_, Nov 30 2019

%Y Cf. A020009, A020099.

%K nonn

%O 0,4

%A _Simon Plouffe_

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Last modified March 8 07:37 EST 2021. Contains 341941 sequences. (Running on oeis4.)