login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A265952 E.g.f.: Product_{k>=1} (1 + exp(x)*x^k). 4
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

Vaclav Kotesovec, Table of n, a(n) for n = 0..440

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: A052852 A288869 A288268 * A121124 A180399 A222058

Adjacent sequences:  A265949 A265950 A265951 * A265953 A265954 A265955

KEYWORD

nonn

AUTHOR

Vaclav Kotesovec, Dec 19 2015

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 22 08:00 EDT 2019. Contains 328315 sequences. (Running on oeis4.)