G.f. satisfies: x + x^2 = A(x - A(x)^2).

A185898

G.f. satisfies: x + x^2 = A(x - A(x)^2).

Terms

    a(0) =1a(1) =2a(2) =8a(3) =58a(4) =516a(5) =5264a(6) =59056a(7) =712002a(8) =9091360a(9) =121741316a(10) =1697801200a(11) =24533242088a(12) =365899614704

External references