G.f. A(x) satisfies A(x) = 1/(1 - x*A(x*A(x)))^3.
A381574
G.f. A(x) satisfies A(x) = 1/(1 - x*A(x*A(x)))^3.
Terms
- a(0) =1a(1) =3a(2) =15a(3) =118a(4) =1206a(5) =14712a(6) =204385a(7) =3143826a(8) =52580328a(9) =944416084a(10) =18056415144a(11) =365065244238
External references
- oeis: A381574