G.f. A(x) satisfies A(x) = 1 + x*A(x*A(x)^2)^2.
A143508
G.f. A(x) satisfies A(x) = 1 + x*A(x*A(x)^2)^2.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =9a(4) =52a(5) =372a(6) =3058a(7) =28074a(8) =282028a(9) =3059328a(10) =35497672a(11) =437499541a(12) =5696752234a(13) =78036803430
External references
- oeis: A143508