A292909 E.g.f.: exp(1/2! * x^2 * exp(-x)).

1, 0, 1, -3, 9, -40, 210, -1176, 7273, -49932, 372060, -2971540, 25359411, -230364498, 2215550428, -22460391240, 239236043985, -2669869110856, 31134833803728, -378485082644400, 4786085290280275, -62838103267148790, 855122923978737876

Offset

0,4

Links

Seiichi Manyama, Table of n, a(n) for n = 0..530

Formula

a(n) = (-1)^n * A133189(n).

Prog

(PARI) x='x+O('x^66); Vec(serlaplace(exp(1/2!*x^2*exp(-x))))

Crossrefs

Column k=2 of A292948.

Cf. A133189, A292907.

Sequence in context: A365121 A229244 A218504 * A133189 A020092 A346753

Adjacent sequences: A292906 A292907 A292908 * A292910 A292911 A292912

Keyword

sign

Author

Seiichi Manyama, Sep 26 2017

Status

approved