G.f. A(x) satisfies: A(x)^4 = A(x^2)^2 + 8*x.

Terms

a(0) =1a(1) =2a(2) =-5a(3) =22a(4) =-115a(5) =646a(6) =-3822a(7) =23496a(8) =-148368a(9) =955822a(10) =-6256273a(11) =41480668a(12) =-277954706a(13) =1879118354a(14) =-12800031737a(15) =87758481546a(16) =-605091552753