A020107 -id:A020107 - cp's OEIS frontend

A020062 Integer part of Gamma(n+3/10)/Gamma(3/10).

1, 0, 0, 0, 2, 12, 67, 425, 3102, 25750, 239483, 2466677, 27873456, 342843514, 4559818740, 65205407994, 997642742321, 16261576699844, 281325276907303, 5148252567403658, 99361274550890613, 2017033873383079453

Offset: 0

Simon Plouffe

nonn

G. C. Greubel, Table of n, a(n) for n = 0..445

Cf. A020017, A020107.

[Truncate(Gamma(n+3/10)/Gamma(3/10)): n in [0..20]]; // G. C. Greubel, Nov 13 2019

Digits := 64:f := proc(n,x) trunc(GAMMA(n+x)/GAMMA(x)); end;
seq(trunc(pochhammer(3/10,n)), n = 0..20); # G. C. Greubel, Nov 13 2019

IntegerPart[Pochhammer[3/10, Range[0, 20]]] (* G. C. Greubel, Nov 13 2019 *)

P(n,x) = gamma(x+n)/gamma(x);
vector(21, n, truncate(P(n-1, 3/10)) ) \\ G. C. Greubel, Nov 13 2019

[int(rising_factorial(3/10, n)) for n in (0..20)] # G. C. Greubel, Nov 13 2019

A020017 Nearest integer to Gamma(n + 3/10)/Gamma(3/10).

Original entry on oeis.org

1, 0, 0, 1, 3, 13, 67, 425, 3103, 25751, 239483, 2466678, 27873456, 342843514, 4559818741, 65205407995, 997642742322, 16261576699844, 281325276907304, 5148252567403659, 99361274550890613, 2017033873383079454

Offset: 0

Simon Plouffe

nonn

Gamma(n + 3/10)/Gamma(3/10) = 1, 3/10, 39/100, 897/1000, 29601/10000, 1272843/100000, 67460679/1000000, ... - R. J. Mathar, Sep 04 2016

G. C. Greubel, Table of n, a(n) for n = 0..450

Cf. A020062, A020107.

[Round(Gamma(n+3/10)/Gamma(3/10)): n in [0..30]]; // G. C. Greubel, Jan 20 2018

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

Table[Round[Gamma[n + 3/10]/Gamma[3/10]], {n, 0, 50}] (* G. C. Greubel, Jan 20 2018 *)

for(n=0,30, print1(round(gamma(n+3/10)/gamma(3/10)), ", ")) \\ G. C. Greubel, Jan 20 2018

cp's OEIS Frontend

A020062 Integer part of Gamma(n+3/10)/Gamma(3/10).

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