Expansion of g.f. A(x) satisfying A(x) = 1 + 2*x*A(x)^2 - x*A(-x)^2.

A368633

Expansion of g.f. A(x) satisfying A(x) = 1 + 2*x*A(x)^2 - x*A(-x)^2.

Terms

    a(0) =1a(1) =1a(2) =6a(3) =13a(4) =114a(5) =290a(6) =2892a(7) =7901a(8) =84090a(9) =239222a(10) =2648244a(11) =7732914a(12) =87894324a(13) =261371940a(14) =3027588120a(15) =9125058525a(16) =107215635402a(17) =326501869166

External references