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A265952 E.g.f.: Product_{k>=1} (1 + exp(x)*x^k). 5
1, 1, 4, 21, 136, 1045, 9396, 99379, 1161952, 14904873, 208925380, 3207759511, 53349017184, 950481426349, 17959336305652, 360094085423115, 7656053670162496, 172173524035504849, 4077253037751090948, 101263725993658291615, 2627592803013505930240 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
MATHEMATICA
nmax=20; CoefficientList[Series[Product[(1+E^x*x^k), {k, 1, nmax}], {x, 0, nmax}], x] * Range[0, nmax]!
CROSSREFS
Cf. A265953.
Sequence in context: A288869 A052852 A288268 * A369784 A121124 A180399
KEYWORD
nonn
AUTHOR
Vaclav Kotesovec, Dec 19 2015
STATUS
approved

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Last modified July 22 00:58 EDT 2024. Contains 374478 sequences. (Running on oeis4.)