A292955 E.g.f.: exp(-1/4! * x^4 * exp(x)).

1, 0, 0, 0, -1, -5, -15, -35, -35, 504, 6090, 45870, 270930, 1215500, 1995994, -42118440, -733409495, -8069463780, -70153266240, -468024155016, -1498366231020, 21132982355940, 568009017066260, 8607952077741940, 101448276642079059, 937291639168833850

Offset: 0

Author

Seiichi Manyama, Sep 27 2017

Keywords

• sign

Links

• Seiichi Manyama, Table of n, a(n) for n = 0..538

Crossrefs

Column k=4 of A293015.

Cf. A292952 (k=1), A292953 (k=2), A292954 (k=3), this sequence (k=4).

Programs

PARI

x='x+O('x^66); Vec(serlaplace(exp(-1/4!*x^4*exp(x))))