OFFSET
0,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 0..400
MATHEMATICA
Denominator[CoefficientList[Series[Exp[Exp[x]-1]/(2-x), {x, 0, 30}], x]] (* Harvey P. Dale, May 09 2012 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jan 04 2001
STATUS
approved
