G.f. satisfies A(x) = 1 + x * A(x)^3 * (1 + A(x)^(1/2))^2.
A371678
G.f. satisfies A(x) = 1 + x * A(x)^3 * (1 + A(x)^(1/2))^2.
Terms
- a(0) =1a(1) =4a(2) =56a(3) =1068a(4) =23504a(5) =561972a(6) =14183880a(7) =371911132a(8) =10031990560a(9) =276589937892
External references
- oeis: A371678