G.f. A(x) satisfies A(x) = 1 + x*A(x*A(x)^3)^3.

A212029

G.f. A(x) satisfies A(x) = 1 + x*A(x*A(x)^3)^3.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =21a(4) =190a(5) =2112a(6) =26922a(7) =382110a(8) =5920788a(9) =98862273a(10) =1762572957a(11) =33325846461a(12) =664774457583

External references