Expansion of x*(1+3*x-4*x^2-5*x^3-4*x^6+4*x^5+3*x^4) / ((1+4*x^2)*(1+x^2)*(1-x^2+x^4)).

Terms

a(0) =0a(1) =1a(2) =3a(3) =-8a(4) =-17a(5) =35a(6) =72a(7) =-145a(8) =-291a(9) =584a(10) =1169a(11) =-2339a(12) =-4680a(13) =9361a(14) =18723a(15) =-37448a(16) =-74897a(17) =149795a(18) =299592a(19) =-599185a(20) =-1198371a(21) =2396744a(22) =4793489a(23) =-9586979a(24) =-19173960a(25) =38347921a(26) =76695843a(27) =-153391688a(28) =-306783377a(29) =613566755