login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A020049 a(n) = floor(Gamma(n+1/12)/Gamma(1/12)). 2
1, 0, 0, 0, 0, 2, 12, 73, 518, 4192, 38083, 384010, 4256112, 51428023, 672849973, 9475970454, 142929221023, 2298778304796, 39270796040272, 710146895061597, 13551969914092152, 272168729108017392, 5738224038694033364 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,6

LINKS

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

MAPLE

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

seq(floor(pochhammer(1/12, n)), n = 0..25); # G. C. Greubel, Dec 01 2019

MATHEMATICA

Floor[Pochhammer[1/12, Range[0, 25]]] (* G. C. Greubel, Dec 01 2019 *)

PROG

(PARI) x=1/12; vector(26, n, gamma(n-1+x)\gamma(x) ) \\ G. C. Greubel, Dec 01 2019

(MAGMA) [Floor(Gamma(n+1/12)/Gamma(1/12)): n in [0..25]]; // G. C. Greubel, Dec 01 2019

(Sage) [floor(rising_factorial(1/12, n)) for n in (0..25)] # G. C. Greubel, Dec 01 2019

CROSSREFS

Cf. A020004, A020094.

Sequence in context: A037515 A037718 A342054 * A020004 A078469 A014351

Adjacent sequences:  A020046 A020047 A020048 * A020050 A020051 A020052

KEYWORD

nonn

AUTHOR

Simon Plouffe

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 20 02:45 EDT 2021. Contains 343121 sequences. (Running on oeis4.)