A160625 Numerator of Laguerre(n, 3).

1, -2, -1, 1, 11, 17, -1, -209, -4967, -2377, -31361, -44549, 670907, 9518329, 343496509, 78783701, 22768521641, 119672922599, 10898629213, -2270181550733, -206731528257599, -91509891412157, -2949362928754771, -565723903687129379, -7753360902058576583, -69708311239418420641

Offset

0,2

Links

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

Mathematica

Numerator[Table[LaguerreL[n, 3], {n, 0, 50}]] (* G. C. Greubel, May 06 2018 *)

Prog

(PARI) for(n=0, 30, print1(numerator(sum(k=0, n, binomial(n, k)*((-3)^k/k!))), ", ")) \\ G. C. Greubel, May 06 2018
(Magma) [Numerator((&+[Binomial(n, k)*((-3)^k/Factorial(k)): k in [0..n]])): n in [0..30]]; // G. C. Greubel, May 06 2018

Crossrefs

For denominators see A160626.

Sequence in context: A176307 A197648 A066094 * A324188 A297762 A010246

Adjacent sequences: A160622 A160623 A160624 * A160626 A160627 A160628

Keyword

sign,frac

Author

N. J. A. Sloane, Nov 14 2009

Status

approved