A294255 E.g.f.: exp((1-x)*(1-x^2) - 1).

1, -1, -1, 11, -23, -101, 991, -1849, -24751, 220823, -174689, -10924541, 87639289, 105372851, -7496679553, 52397291519, 238887991201, -7313210597969, 41947208776639, 440627548672763, -9537975555701239, 39732691614159179, 916052993052974239

Offset: 0

Author

Seiichi Manyama, Oct 26 2017

Keywords

• sign

Links

• Seiichi Manyama, Table of n, a(n) for n = 0..578

Crossrefs

Column k=2 of A294254.

Programs

PARI

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