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

Terms

a(0) =1a(1) =1a(2) =1a(3) =3a(4) =5a(5) =8a(6) =15a(7) =27a(8) =47a(9) =84a(10) =150a(11) =266a(12) =473a(13) =842a(14) =1497a(15) =2662a(16) =4735a(17) =8421a(18) =14976a(19) =26635a(20) =47370a(21) =84246a(22) =149830a(23) =266470a(24) =473911a(25) =842841a(26) =1498976a(27) =2665898a(28) =4741245a(29) =8432208