G.f. A(x) satisfies: A(x) = 1 / ((1 - x) * (1 - x * A(2*x))).
A348857
G.f. A(x) satisfies: A(x) = 1 / ((1 - x) * (1 - x * A(2*x))).
Terms
- a(0) =1a(1) =2a(2) =7a(3) =44a(4) =481a(5) =9254a(6) =326395a(7) =21927776a(8) =2874607189a(9) =744650622170
External references
- oeis: A348857