A160629 Numerator of Laguerre(n, 5).

1, -4, 7, 8, -31, -19, -301, 41, 18029, 6977, 254927, 2683, -27755351, -20708341, -8065683737, -1998225857, -7525030013, 654365168147, 93746955893939, 12226393924361, 1123431147590407, 27739255684444921, 748334911424041583, -424460759787923281, -73378993429711239701

Offset

0,2

Links

G. C. Greubel, Table of n, a(n) for n = 0..480

Mathematica

Numerator[LaguerreL[Range[0, 30], 5]] (* Harvey P. Dale, Feb 20 2013 *)

Prog

(PARI) for(n=0, 30, print1(numerator(sum(k=0, n, binomial(n, k)*((-5)^k/k!))), ", ")) \\ G. C. Greubel, May 07 2018
(Magma) [Numerator((&+[Binomial(n, k)*((-5)^k/Factorial(k)): k in [0..n]])): n in [0..30]]; // G. C. Greubel, May 07 2018

Crossrefs

For denominators see A160630.

Sequence in context: A239290 A057464 A344781 * A093105 A141669 A190967

Adjacent sequences: A160626 A160627 A160628 * A160630 A160631 A160632

Keyword

sign,frac

Author

N. J. A. Sloane, Nov 14 2009

Status

approved