A292907 E.g.f.: exp(x^2 * exp(-x)).

1, 0, 2, -6, 24, -140, 870, -5922, 45416, -381096, 3442410, -33382910, 345803172, -3801763836, 44156760830, -539962736250, 6929042527920, -93032248209872, 1303556965679826, -19018807375195638, 288341417011487420, -4534168069704168420

Offset: 0

Author

Seiichi Manyama, Sep 26 2017

Keywords

• sign

Links

• Seiichi Manyama, Table of n, a(n) for n = 0..516

Crossrefs

Column k=2 of A292973.

Cf. A216507.

Programs

PARI

x='x+O('x^66); Vec(serlaplace(exp(x^2*exp(-x))))

Formula

a(n) = (-1)^n * A216507(n).