G.f. satisfies: A(x) = 1/(1 - x) * Product_{k>0} A(x^(2*k)) / Product_{k>1} A(x^(2*k-1)).

Terms

a(0) =1a(1) =1a(2) =2a(3) =1a(4) =4a(5) =2a(6) =4a(7) =-1a(8) =9a(9) =3a(10) =11a(11) =-4a(12) =17a(13) =-2a(14) =11a(15) =-24a(16) =31a(17) =-3a(18) =39a(19) =-35a(20) =70a(21) =-14a(22) =47a(23) =-107a(24) =112a(25) =-27a(26) =122a(27) =-163a(28) =198a(29) =-90