A160605 Numerator of Laguerre(n, -7).

1, 8, 79, 458, 12113, 22394, 2921911, 1856741, 142939831, 369403781, 65257860137, 382924264759, 38054710694503, 31162073928841, 3924727189601143, 28342240146349903, 3424956884584928081, 13496977684191852821

Offset

0,2

Links

G. C. Greubel, Table of n, a(n) for n = 0..455

Mathematica

Numerator[LaguerreL[Range[0, 30], -7]] (* Harvey P. Dale, Oct 25 2011 *)

Prog

(PARI) for(n=0, 30, print1(numerator(sum(k=0, n, binomial(n, k)*(7^k/k!))), ", ")) \\ G. C. Greubel, May 14 2018
(Magma) [Numerator((&+[Binomial(n, k)*(7^k/Factorial(k)): k in [0..n]])): n in [0..30]]; // G. C. Greubel, May 14 2018

Crossrefs

For denominators see A160606.

Sequence in context: A266090 A366214 A061425 * A353100 A224759 A024102

Adjacent sequences: A160602 A160603 A160604 * A160606 A160607 A160608

Keyword

nonn,frac

Author

N. J. A. Sloane, Nov 14 2009

Status

approved