A308332 a(n) = n! * [x^n] 1/(1 - x)^exp(n*x).

1, 1, 6, 60, 936, 21495, 681480, 28157451, 1455590528, 91689831225, 6907344210400, 612700433073707, 63107430169208832, 7455570223877314721, 999839697339310324224, 150885818035154310155625, 25434297819615665229168640, 4758031551536565527014516561

Offset

0,3

Links

Table of n, a(n) for n=0..17.

Mathematica

Table[n! SeriesCoefficient[1/(1 - x)^Exp[n x], {x, 0, n}], {n, 0, 17}]

Crossrefs

Cf. A190314, A191365, A308333.

Sequence in context: A368505 A296956 A366335 * A126574 A061573 A248655

Adjacent sequences: A308329 A308330 A308331 * A308333 A308334 A308335

Keyword

nonn

Author

Ilya Gutkovskiy, May 20 2019

Status

approved