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A293140
E.g.f.: Product_{m>0} (1-x^m).
2
1, -1, -2, 0, 0, 120, 0, 5040, 0, 0, 0, 0, -479001600, 0, 0, -1307674368000, 0, 0, 0, 0, 0, 0, 1124000727777607680000, 0, 0, 0, 403291461126605635584000000, 0, 0, 0, 0, 0, 0, 0, 0, -10333147966386144929666651337523200000000, 0, 0, 0, 0
OFFSET
0,3
FORMULA
a(n) = n! * A010815(n).
a(n) = Sum_{k=0..A003056(n)} (-1)^k * A351884(n,k). - Alois P. Heinz, Feb 23 2022
CROSSREFS
Column k=1 of A293139.
Sequence in context: A365982 A326779 A365981 * A008551 A183896 A228073
KEYWORD
sign
AUTHOR
Seiichi Manyama, Oct 01 2017
STATUS
approved