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A308331 a(n) = n! * [x^n] exp(exp(n*x)/(1 + x) - 1). 1
1, 0, 3, 50, 1449, 61724, 3608515, 275520972, 26505128433, 3125830471928, 442286373458691, 73789189395157730, 14309059313820886681, 3186711239965235356776, 806772967716453793227523, 230153293624841114893344854, 73420355768107554901016231265 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..16.

MATHEMATICA

Table[n! SeriesCoefficient[Exp[Exp[n x]/(1 + x) - 1], {x, 0, n}], {n, 0, 16}]

CROSSREFS

Cf. A134095, A292914, A308330, A321989.

Sequence in context: A075184 A246283 A326250 * A245141 A203239 A279970

Adjacent sequences:  A308328 A308329 A308330 * A308332 A308333 A308334

KEYWORD

nonn

AUTHOR

Ilya Gutkovskiy, May 20 2019

STATUS

approved

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Last modified September 21 05:55 EDT 2020. Contains 337267 sequences. (Running on oeis4.)