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A292909
E.g.f.: exp(1/2! * x^2 * exp(-x)).
3
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
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.
Sequence in context: A365121 A229244 A218504 * A133189 A020092 A346753
KEYWORD
sign
AUTHOR
Seiichi Manyama, Sep 26 2017
STATUS
approved