A160641 Denominator of Laguerre(n, 9).

1, 1, 2, 1, 8, 5, 80, 140, 4480, 560, 44800, 123200, 1971200, 1601600, 358758400, 448448000, 2207744000, 60988928000, 75063296000, 4635158528000, 370812682240000, 81115274240000, 57105153064960000, 25258048471040000

Offset

0,3

Links

G. C. Greubel, Table of n, a(n) for n = 0..490

Mathematica

Denominator[Table[LaguerreL[n, 9], {n, 0, 50}]] (* G. C. Greubel, May 03 2018 *)

Prog

(PARI) for(n=0, 30, print1(denominator(sum(k=0, n, binomial(n, k)*((-9)^k/k!))), ", ")) \\ G. C. Greubel, May 07 2018
(Magma) [Denominator((&+[Binomial(n, k)*((-9)^k/Factorial(k)): k in [0..n]])): n in [0..30]]; // G. C. Greubel, May 07 2018

Crossrefs

For numerators see A160640.

Sequence in context: A004732 A387515 A297809 * A011244 A189966 A367177

Adjacent sequences: A160638 A160639 A160640 * A160642 A160643 A160644

Keyword

nonn,frac

Author

N. J. A. Sloane, Nov 14 2009

Status

approved