OFFSET
0,4
FORMULA
E.g.f.: x*(exp(x*(exp(x)-1))-1).
MATHEMATICA
nn=25; a=x (Exp[x]-1); Range[0, nn]! CoefficientList[Series[x (Exp[a]-1), {x, 0, nn}], x]
CROSSREFS
KEYWORD
nonn
AUTHOR
Geoffrey Critzer, Dec 08 2012
STATUS
approved