G.f. A(x) satisfies A(x) = 1/(1 - x*A(x) - x^3*A''(x)).

A385762

G.f. A(x) satisfies A(x) = 1/(1 - x*A(x) - x^3*A''(x)).

Terms

    a(0) =1a(1) =1a(2) =2a(3) =9a(4) =80a(5) =1204a(6) =27788a(7) =918831a(8) =41389972a(9) =2443323132a(10) =183303840972

External references