G.f. A(x) satisfies: A(x) = 1 / (1 + x - 2 * x * A(2*x)).
A348901
G.f. A(x) satisfies: A(x) = 1 / (1 + x - 2 * x * A(2*x)).
Terms
- a(0) =1a(1) =1a(2) =5a(3) =49a(4) =893a(5) =30649a(6) =2030213a(7) =264198625a(8) =68180168717
External references
- oeis: A348901