G.f. A(x) satisfies: A(x)^2 = x*G(x) where G(G(x)) = (1+x)^2*G(x) and G(x) is the g.f. of A107095.

A107096

G.f. A(x) satisfies: A(x)^2 = x*G(x) where G(G(x)) = (1+x)^2*G(x) and G(x) is the g.f. of A107095.

Terms

    a(0) =0a(1) =1a(2) =1a(3) =-2a(4) =11a(5) =-88a(6) =869a(7) =-9876a(8) =124473a(9) =-1701630a(10) =24870695a(11) =-384795184a(12) =6257294780a(13) =-106377162620

External references