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!)
A020110 Ceiling of Gamma(n + 7/9)/Gamma(7/9). 2

%I

%S 1,1,2,4,15,70,401,2715,21116,185346,1812264,19532171,230045569,

%T 2939471158,40499380397,598490843643,9442855533027,158430131720784,

%U 2816535675036147,52888281009012093,1046012668844905827

%N Ceiling of Gamma(n + 7/9)/Gamma(7/9).

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

%t Table[Ceiling[Gamma[n + 7/9]/Gamma[7/9]], {n, 0, 29}] (* _Alonso del Arte_, Jun 17 2018 *)

%o (PARI) a(n) = ceil(gamma(n + 7/9)/gamma(7/9)); \\ _Michel Marcus_, Jun 21 2018

%K nonn

%O 0,3

%A _Simon Plouffe_

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 May 12 21:00 EDT 2021. Contains 343829 sequences. (Running on oeis4.)