Expansion of (1+x)/(1-x^2+x^3).

Terms

a(0) =1a(1) =1a(2) =1a(3) =0a(4) =0a(5) =-1a(6) =0a(7) =-1a(8) =1a(9) =-1a(10) =2a(11) =-2a(12) =3a(13) =-4a(14) =5a(15) =-7a(16) =9a(17) =-12a(18) =16a(19) =-21a(20) =28a(21) =-37a(22) =49a(23) =-65a(24) =86a(25) =-114a(26) =151a(27) =-200a(28) =265a(29) =-351