A160587 - OEIS

%I #11 Sep 08 2022 08:45:45

%S 1,11,71,1043,4273,15403,151049,3196873,9065053,219181447,80314181,

%T 15236362807,9881224121,3255762225533,51047003351891,334353686524303,

%U 713211624791333,516702875135479,466605840054517979

%N Numerator of Laguerre(n, -10).

%H G. C. Greubel, <a href="/A160587/b160587.txt">Table of n, a(n) for n = 0..500</a>

%t Numerator[Table[LaguerreL[n, -10], {n, 0, 50}]] (* _G. C. Greubel_, May 12 2018 *)

%o (PARI) for(n=0,30, print1(numerator(sum(k=0,n, binomial(n,k)*(10^k/k!))), ", ")) \\ _G. C. Greubel_, May 12 2018

%o (PARI) a(n) = numerator(pollaguerre(n, 0, -10)); \\ _Michel Marcus_, Feb 05 2021

%o (Magma) [Numerator((&+[Binomial(n,k)*(10^k/Factorial(k)): k in [0..n]])): n in [0..30]]; // _G. C. Greubel_, May 12 2018

%Y For denominators see A160589.

%Y Cf. A289216.

%K nonn,frac

%O 0,2

%A _N. J. A. Sloane_, Nov 14 2009