OFFSET
0,4
MATHEMATICA
Denominator[CoefficientList[Series[(1+x)^(1+x), {x, 0, 30}], x]] (* Harvey P. Dale, Dec 31 2015 *)
PROG
(PARI) a(n)=denominator(polcoeff((1+x)^(1+x)+O(x^(n+1)), n))
CROSSREFS
KEYWORD
frac,nonn
AUTHOR
Benoit Cloitre, Apr 30 2003
STATUS
approved