A157504 (det(I - M) - 1)/x where M_jk = (j*x)^k/k!.
-1, -2, -7, -40, -301, -2856, -32299, -416816, -5892345, -86464000, -1177909711, -8944121088, 349846341467, 29237270702080, 1585383533246925, 78578098584541184, 3843296406581515919, 190784066705549623296
Offset: 1
Crossrefs
Cf. A157503.
Formula
E.g.f.: (det(I - M) - 1)/x where M_jk = (j*x)^k/k!.
a(n) = A157503(n)/n.