G.f. A(x) satisfies: R(x^2*A(x)) = x^3 - x^4, where R(A(x)) = x.

Terms

a(0) =1a(1) =-1a(2) =0a(3) =-1a(4) =2a(5) =-1a(6) =0a(7) =0a(8) =0a(9) =-1a(10) =4a(11) =-6a(12) =6a(13) =-11a(14) =20a(15) =-21a(16) =16a(17) =-17a(18) =20a(19) =-15a(20) =6a(21) =-1a(22) =0a(23) =0a(24) =0a(25) =0a(26) =0a(27) =-1a(28) =10a(29) =-45