OFFSET
1,2
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..440
FORMULA
E.g.f.: exp(x/(1-x))*Sum_{k>0}(1-exp(-x^k)).
MATHEMATICA
Rest[ Range[0, 20]! CoefficientList[ Series[ Exp[x/(1 - x)] Sum[(-x)^k/(k!*(x^k - 1)), {k, 25}], {x, 0, 20}], x]] (* Robert G. Wilson v, Sep 13 2007 *)
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Vladeta Jovovic, Sep 06 2007
EXTENSIONS
More terms from Robert G. Wilson v, Sep 13 2007
STATUS
approved