Expansion of g.f. x^3*(1 - x)/(1 - x - x^2 - x^3 - x^4 - x^5).

Terms

a(0) =0a(1) =0a(2) =1a(3) =0a(4) =1a(5) =2a(6) =4a(7) =8a(8) =15a(9) =30a(10) =59a(11) =116a(12) =228a(13) =448a(14) =881a(15) =1732a(16) =3405a(17) =6694a(18) =13160a(19) =25872a(20) =50863a(21) =99994a(22) =196583a(23) =386472a(24) =759784a(25) =1493696a(26) =2936529a(27) =5773064a(28) =11349545a(29) =22312618