G.f. = (3*x^4+5*x^2+6*x-7)/(4*x^7+x^4+x^2+x-1).

Terms

a(0) =7a(1) =1a(2) =3a(3) =4a(4) =11a(5) =16a(6) =30a(7) =78a(8) =123a(9) =229a(10) =398a(11) =749a(12) =1334a(13) =2432a(14) =4476a(15) =8149a(16) =14875a(17) =27048a(18) =49395a(19) =89928a(20) =163926a(21) =298806a(22) =544723a(23) =992957a(24) =1809798a(25) =3299141a(26) =6013374a(27) =10961176a(28) =19979572a(29) =36418781