0,2

3-th column (k=2): A003149.

a(n) = Sum_{k=0..n} A003149(k)*(n-k)! . G.f.: (Sum_k>=0} k!*x^k)^3.

Sequence in context: A086616 A040027 A071603 this_sequence A027040 A111063 A089475

Adjacent sequences: A090592 A090593 A090594 this_sequence A090596 A090597 A090598

easy,nonn

DELEHAM Philippe (kolotoko(AT)wanadoo.fr), Feb 01 2004