G.f.: 1 = Sum_{n>=0} a(n) * x^n*(1 - (n+1)*x)^(n+1).

A191459

G.f.: 1 = Sum_{n>=0} a(n) * x^n*(1 - (n+1)*x)^(n+1).

Terms

    a(0) =1a(1) =1a(2) =4a(3) =32a(4) =404a(5) =7136a(6) =164088a(7) =4683680a(8) =160473988a(9) =6437653568a(10) =296657482888

External references