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

Terms

a(0) =1a(1) =2a(2) =12a(3) =40a(4) =80a(5) =224a(6) =576a(7) =1152a(8) =2816a(9) =6656a(10) =13312a(11) =30720a(12) =69632a(13) =139264a(14) =311296a(15) =688128a(16) =1376256a(17) =3014656a(18) =6553600a(19) =13107200a(20) =28311552a(21) =60817408a(22) =121634816a(23) =260046848a(24) =553648128a(25) =1107296256a(26) =2348810240a(27) =4966055936a(28) =9932111872