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A160641 Denominator of Laguerre(n, 9). 2
1, 1, 2, 1, 8, 5, 80, 140, 4480, 560, 44800, 123200, 1971200, 1601600, 358758400, 448448000, 2207744000, 60988928000, 75063296000, 4635158528000, 370812682240000, 81115274240000, 57105153064960000, 25258048471040000 (list; graph; refs; listen; history; text; internal format)
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: A199468 A004732 A297809 * A011244 A189966 A008517

Adjacent sequences:  A160638 A160639 A160640 * A160642 A160643 A160644

KEYWORD

nonn,frac

AUTHOR

N. J. A. Sloane, Nov 14 2009

STATUS

approved

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Last modified November 21 09:50 EST 2018. Contains 317446 sequences. (Running on oeis4.)