G.f. A(x) satisfies A(x)^2 = 1 + 4*x*A(x)^5.
A245112
G.f. A(x) satisfies A(x)^2 = 1 + 4*x*A(x)^5.
Terms
- a(0) =1a(1) =2a(2) =18a(3) =224a(4) =3230a(5) =50688a(6) =840420a(7) =14483456a(8) =256856886a(9) =4656988160a(10) =85929839996
External references
- oeis: A245112