Expansion of (1-x^2)/((1-x-x^2)*(1-x-x^4)).

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =9a(5) =16a(6) =27a(7) =45a(8) =75a(9) =125a(10) =207a(11) =341a(12) =560a(13) =918a(14) =1502a(15) =2453a(16) =4000a(17) =6515a(18) =10601a(19) =17235a(20) =28000a(21) =45461a(22) =73773a(23) =119665a(24) =194033a(25) =314519a(26) =509685a(27) =825768a(28) =1337612a(29) =2166360