OFFSET
0,4
COMMENTS
Conjecture: all terms are odd. - Robert Israel, Mar 29 2018
LINKS
Robert Israel, Table of n, a(n) for n = 0..506
MAPLE
seq(denom(orthopoly[L](n, 4)), n=0..50); # Robert Israel, Mar 29 2018
MATHEMATICA
Denominator[LaguerreL[Range[0, 30], 4]] (* Harvey P. Dale, Jul 13 2012 *)
PROG
(PARI) for(n=0, 30, print1(denominator(sum(k=0, n, binomial(n, k)*((-4)^k/k!))), ", ")) \\ G. C. Greubel, May 06 2018
(Magma) [Denominator((&+[Binomial(n, k)*((-4)^k/Factorial(k)): k in [0..n]])): n in [0..30]]; // G. C. Greubel, May 06 2018
CROSSREFS
KEYWORD
nonn,frac
AUTHOR
N. J. A. Sloane, Nov 14 2009
STATUS
approved