G.f. satisfies: A(x/A(x)^2) = 1 + x*A(x).
A145350
G.f. satisfies: A(x/A(x)^2) = 1 + x*A(x).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =18a(4) =154a(5) =1632a(6) =20007a(7) =273164a(8) =4058556a(9) =64628487a(10) =1091488334a(11) =19403175105a(12) =361028420037
External references
- oeis: A145350