G.f. satisfies: A(x) = 1 + x*A(x*A(x)^2)^3.
A212030
G.f. satisfies: A(x) = 1 + x*A(x*A(x)^2)^3.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =18a(4) =142a(5) =1350a(6) =14607a(7) =174626a(8) =2263749a(9) =31426878a(10) =463144150a(11) =7199095692a(12) =117452998632
External references
- oeis: A212030