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

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =3a(5) =8a(6) =17a(7) =31a(8) =51a(9) =77a(10) =112a(11) =155a(12) =208a(13) =272a(14) =348a(15) =436a(16) =539a(17) =656a(18) =789a(19) =939a(20) =1107a(21) =1293a(22) =1500a(23) =1727a(24) =1976a(25) =2248a(26) =2544a(27) =2864a(28) =3211a(29) =3584