Expansion of g.f.: (1 + x^2 - x^3)/(1 - x - x^2 + x^3 - x^5).

Terms

a(0) =1a(1) =1a(2) =3a(3) =2a(4) =4a(5) =4a(6) =7a(7) =10a(8) =15a(9) =22a(10) =31a(11) =45a(12) =64a(13) =93a(14) =134a(15) =194a(16) =280a(17) =404a(18) =583a(19) =841a(20) =1214a(21) =1752a(22) =2529a(23) =3650a(24) =5268a(25) =7603a(26) =10973a(27) =15837a(28) =22857a(29) =32989