G.f. satisfies: A(x/A(x)^2) = 1 + x*A(x)^2.

A145348

G.f. satisfies: A(x/A(x)^2) = 1 + x*A(x)^2.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =30a(4) =312a(5) =3965a(6) =57824a(7) =933998a(8) =16346728a(9) =305539046a(10) =6037780164a(11) =125227212342

External references