G.f.: A(x) = Sum_{n>=0} 2^n*log(G(2^n*x))^n/n! where G(x) = g.f. of A167000.
A167002
G.f.: A(x) = Sum_{n>=0} 2^n*log(G(2^n*x))^n/n! where G(x) = g.f. of A167000.
Terms
- a(0) =1a(1) =4a(2) =20a(3) =320a(4) =21064a(5) =5030400a(6) =4056470528
External references
- oeis: A167002