G.f. A(x) satisfies: 1 + x = Sum_{n>=0} x^n * (1 - x*A(x)^n)^n.

Terms

a(0) =1a(1) =-1a(2) =3a(3) =-9a(4) =29a(5) =-94a(6) =304a(7) =-974a(8) =3095a(9) =-9809a(10) =31295a(11) =-101459a(12) =335712a(13) =-1128103a(14) =3796221a(15) =-12567881a(16) =40382747a(17) =-126022996a(18) =392875458a(19) =-1300518891a(20) =4821378972a(21) =-19442392758a(22) =76612026077a(23) =-258487216389a(24) =602418545348a(25) =-104469005952