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

Terms

a(0) =0a(1) =1a(2) =5a(3) =15a(4) =36a(5) =76a(6) =147a(7) =267a(8) =463a(9) =775a(10) =1262a(11) =2011a(12) =3150a(13) =4867a(14) =7438a(15) =11268a(16) =16951a(17) =25358a(18) =37766a(19) =56047a(20) =82945a(21) =122482a(22) =180553a(23) =265798a(24) =390880a(25) =574358a(26) =843432a(27) =1237966a(28) =1816384a(29) =2664311