G.f. satisfies: A(x) = x + 2*A(x)^2 + 3*A(x)*A(A(x))^2 + 4*A(x)*A(A(x))*A(A(A(x)))^2 +...
A153304
G.f. satisfies: A(x) = x + 2*A(x)^2 + 3*A(x)*A(A(x))^2 + 4*A(x)*A(A(x))*A(A(A(x)))^2 +...
Terms
- a(0) =1a(1) =2a(2) =11a(3) =86a(4) =818a(5) =8870a(6) =105965a(7) =1366392a(8) =18765702a(9) =271970994a(10) =4131937389a(11) =65478068666
External references
- oeis: A153304