A294495 E.g.f.: Product_{k>0} (1-x^k/k!)^k.

1, -1, -2, 3, 14, 45, -156, -1225, -3396, -105, 226760, 1175229, 4084200, -35683219, -585896962, -3512021955, -14398868176, 198247498911, 3131185307832, 29821940715413, 122481857683680, -1187008881417051, -31616420134183522, -419944298964036771

Offset: 0

Author

Seiichi Manyama, Nov 01 2017

Keywords

• sign

Links

• Seiichi Manyama, Table of n, a(n) for n = 0..470

Crossrefs

Cf. A185895.

Cf. A032315, A174661, A294494.

Programs

PARI

N=66; x='x+O('x^N); Vec(serlaplace(prod(k=1, N, (1-x^k/k!)^k)))