G.f. A(x) satisfies: A(x) = A(x^2 - x^3)/x.

Terms

a(0) =1a(1) =-1a(2) =-1a(3) =2a(4) =-2a(5) =3a(6) =-1a(7) =-7a(8) =10a(9) =2a(10) =-15a(11) =2a(12) =34a(13) =-51a(14) =17a(15) =73a(16) =-218a(17) =323a(18) =-135a(19) =-467a(20) =1139a(21) =-1279a(22) =430a(23) =1587a(24) =-4274a(25) =5798a(26) =-3249a(27) =-5664a(28) =19061a(29) =-26208