G.f. satisfies: A(x) = G(x/A(x)) where o.g.f. G(x) = A(x*G(x)) = Sum_{n>=0} A001464(n)*x^n.

Terms

a(0) =1a(1) =-1a(2) =-1a(3) =0a(4) =1a(5) =0a(6) =-4a(7) =0a(8) =27a(9) =0a(10) =-248a(11) =0a(12) =2830a(13) =0a(14) =-38232a(15) =0a(16) =593859a(17) =0a(18) =-10401712a(19) =0a(20) =202601898a(21) =0a(22) =-4342263000a(23) =0a(24) =101551822350a(25) =0a(27) =0a(29) =0a(31) =0a(33) =0