G.f. A(x) satisfies A(x) = 1 + x*A(2*x)^4.

A171202

G.f. A(x) satisfies A(x) = 1 + x*A(2*x)^4.

Terms

    a(0) =1a(1) =1a(2) =8a(3) =152a(4) =5664a(5) =399376a(6) =53846016a(7) =14141384704

External references