A160614 Denominator of Laguerre(n, -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

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: A364735 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