G.f.: 1 + x = Sum_{n>=0} a(n)*x^n*(1-2^n*x)^n.

A179472

G.f.: 1 + x = Sum_{n>=0} a(n)*x^n*(1-2^n*x)^n.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =16a(4) =352a(5) =19456a(6) =2580480a(7) =797442048a(8) =562315657216

External references