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

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =1a(5) =0a(6) =1a(7) =1a(8) =2a(9) =2a(10) =4a(11) =5a(12) =8a(13) =11a(14) =17a(15) =24a(16) =36a(17) =52a(18) =77a(19) =112a(20) =165a(21) =241a(22) =354a(23) =518a(24) =760a(25) =1113a(26) =1632a(27) =2391a(28) =3505a(29) =5136