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

0,5

Links

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

Maple

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

Mathematica

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

Prog

(PARI) P(n, x) = gamma(x+n)/gamma(x);
vector(21, n, truncate(P(n-1, 3/10)) ) \\ G. C. Greubel, Nov 13 2019
(Magma) [Truncate(Gamma(n+3/10)/Gamma(3/10)): n in [0..20]]; // G. C. Greubel, Nov 13 2019
(Sage) [int(rising_factorial(3/10, n)) for n in (0..20)] # G. C. Greubel, Nov 13 2019

Crossrefs

Cf. A020017, A020107.

Sequence in context: A180195 A212389 A241074 * A185035 A185235 A226400

Adjacent sequences: A020059 A020060 A020061 * A020063 A020064 A020065

Keyword

nonn

Author

Simon Plouffe

Status

approved