A292935 E.g.f.: exp(exp(-x) - 1).

1, -1, 2, -5, 15, -52, 203, -877, 4140, -21147, 115975, -678570, 4213597, -27644437, 190899322, -1382958545, 10480142147, -82864869804, 682076806159, -5832742205057, 51724158235372, -474869816156751, 4506715738447323, -44152005855084346

Offset

0,3

Links

Seiichi Manyama, Table of n, a(n) for n = 0..576

Formula

a(n) = (-1)^n * A000110(n).

G.f.: Sum_{k>=0} (-x)^k / Product_{j=1..k} (1 + j*x). - Ilya Gutkovskiy, Dec 14 2019

Prog

(PARI) x='x+O('x^66); Vec(serlaplace(exp(exp(-x)-1)))

Crossrefs

Column k=0 of A292948.

Cf. A000110.

Sequence in context: A203644 A203645 A203646 * A000110 A336022 A303924

Adjacent sequences: A292932 A292933 A292934 * A292936 A292937 A292938

Keyword

sign

Author

Seiichi Manyama, Sep 27 2017

Status

approved