G.f. A(x) satisfies: A(x)^2 = A( (x + 4*A(x)^2)^2 ).
A386667
G.f. A(x) satisfies: A(x)^2 = A( (x + 4*A(x)^2)^2 ).
Terms
- a(0) =1a(1) =4a(2) =34a(3) =360a(4) =4271a(5) =54292a(6) =723030a(7) =9957288a(8) =140645083a(9) =2026330944a(10) =29662631466a(11) =439933635024
External references
- oeis: A386667