login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

Denominator of Laguerre(n, -11).
2

%I #7 Sep 08 2022 08:45:45

%S 1,1,2,3,8,30,720,210,40320,90720,1209600,226800,43545600,5241600,

%T 7925299200,14859936000,634023936000,8083805184000,582033973248000,

%U 115194223872000,221172909834240000,1161157776629760000

%N Denominator of Laguerre(n, -11).

%H G. C. Greubel, <a href="/A160586/b160586.txt">Table of n, a(n) for n = 0..466</a>

%t Denominator[Table[LaguerreL[n, -11], {n, 0, 50}]] (* _G. C. Greubel_, May 14 2018 *)

%o (PARI) for(n=0,30, print1(denominator(sum(k=0,n, binomial(n,k)*(11^k/k!))), ", ")) \\ _G. C. Greubel_, May 14 2018

%o (Magma) [Denominator((&+[Binomial(n,k)*(11^k/Factorial(k)): k in [0..n]])): n in [0..30]]; // _G. C. Greubel_, May 14 2018

%Y For numerators see A160566.

%K nonn,frac

%O 0,3

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