Expansion of (1+4*x+8*x^2-x^3)/((1-x)*(1+x)*(1-3*x^2)).

Terms

a(0) =1a(1) =4a(2) =12a(3) =15a(4) =45a(5) =48a(6) =144a(7) =147a(8) =441a(9) =444a(10) =1332a(11) =1335a(12) =4005a(13) =4008a(14) =12024a(15) =12027a(16) =36081a(17) =36084a(18) =108252a(19) =108255a(20) =324765a(21) =324768a(22) =974304a(23) =974307a(24) =2922921a(25) =2922924a(26) =8768772a(27) =8768775a(28) =26306325a(29) =26306328