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

Terms

a(0) =16a(1) =96a(2) =344a(3) =952a(4) =2241a(5) =4712a(6) =9108a(7) =16488a(8) =28314a(9) =46552a(10) =73788a(11) =113360a(12) =169507a(13) =247536a(14) =354008a(15) =496944a(16) =686052a(17) =932976a(18) =1251568a(19) =1658184a(20) =2172005a(21) =2815384a(22) =3614220a(23) =4598360a(24) =5802030a(25) =7264296a(26) =9029556a(27) =11148064a(28) =13676487a(29) =16678496