Expansion of 1/(1-x-x^3*c(x^3)), c(x) the g.f. of A000108.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =4a(6) =7a(7) =11a(8) =16a(9) =27a(10) =43a(11) =65a(12) =108a(13) =173a(14) =267a(15) =440a(16) =707a(17) =1105a(18) =1812a(19) =2917a(20) =4597a(21) =7514a(22) =12111a(23) =19196a(24) =31307a(25) =50503a(26) =80380a(27) =130883a(28) =211263a(29) =337284