A160587 Numerator of Laguerre(n, -10).

1, 11, 71, 1043, 4273, 15403, 151049, 3196873, 9065053, 219181447, 80314181, 15236362807, 9881224121, 3255762225533, 51047003351891, 334353686524303, 713211624791333, 516702875135479, 466605840054517979

Offset

0,2

Links

G. C. Greubel, Table of n, a(n) for n = 0..500

Mathematica

Numerator[Table[LaguerreL[n, -10], {n, 0, 50}]] (* G. C. Greubel, May 12 2018 *)

Prog

(PARI) for(n=0, 30, print1(numerator(sum(k=0, n, binomial(n, k)*(10^k/k!))), ", ")) \\ G. C. Greubel, May 12 2018
(PARI) a(n) = numerator(pollaguerre(n, 0, -10)); \\ Michel Marcus, Feb 05 2021
(Magma) [Numerator((&+[Binomial(n, k)*(10^k/Factorial(k)): k in [0..n]])): n in [0..30]]; // G. C. Greubel, May 12 2018

Crossrefs

For denominators see A160589.

Cf. A289216.

Sequence in context: A068847 A139185 A103998 * A338416 A034196 A236173

Adjacent sequences: A160584 A160585 A160586 * A160588 A160589 A160590

Keyword

nonn,frac

Author

N. J. A. Sloane, Nov 14 2009

Status

approved