OFFSET
0,3
COMMENTS
The n-th term of the n-th binomial transform of A000169.
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..365
N. J. A. Sloane, Transforms
FORMULA
a(n) ~ exp(n*exp(-1)) * n^(n-1) / (1-exp(-1))^(3/2). - Vaclav Kotesovec, Sep 20 2017
MATHEMATICA
Table[n!*SeriesCoefficient[-E^(n*x)*LambertW[-x], {x, 0, n}], {n, 0, 20}] (* Vaclav Kotesovec, Sep 20 2017 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Ilya Gutkovskiy, Sep 20 2017
STATUS
approved