G.f. A(x) satisfies: A(x) = Sum_{n>=0} (1 + x*A(x)^n)^n / 2^(n+1).
A300050
G.f. A(x) satisfies: A(x) = Sum_{n>=0} (1 + x*A(x)^n)^n / 2^(n+1).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =28a(4) =250a(5) =2558a(6) =28594a(7) =340486a(8) =4255344a(9) =55300776a(10) =742732646a(11) =10267434138a(12) =145692400018
External references
- oeis: A300050