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!)
A160614 Denominator of Laguerre(n, -3). 3
1, 1, 2, 1, 8, 10, 80, 35, 4480, 1120, 6400, 61600, 1971200, 6406400, 358758400, 112112000, 28700672000, 17425408000, 975822848000, 2317579264000, 370812682240000, 49917091840000, 57105153064960000, 41044328765440000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

G. C. Greubel, Table of n, a(n) for n = 0..499

MATHEMATICA

Denominator[Table[LaguerreL[n, -3], {n, 0, 50}]] (* G. C. Greubel, May 06 2018 *)

PROG

(PARI) for(n=0, 30, print1(denominator(sum(k=0, n, binomial(n, k)*(3^k/k!))), ", ")) \\ G. C. Greubel, May 06 2018

(MAGMA) [Denominator((&+[Binomial(n, k)*(3^k/Factorial(k)): k in [0..n]])): n in [0..30]]; // G. C. Greubel, May 06 2018

CROSSREFS

For numerators see A160613.

Cf. A277382.

Sequence in context: A295582 A192424 A211192 * A307049 A164662 A007026

Adjacent sequences:  A160611 A160612 A160613 * A160615 A160616 A160617

KEYWORD

nonn,frac

AUTHOR

N. J. A. Sloane, Nov 14 2009

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 May 28 12:02 EDT 2020. Contains 334681 sequences. (Running on oeis4.)