Expansion of 1 / ((1 - x)^7*(1 + x)^5).

Terms

a(0) =1a(1) =2a(2) =8a(3) =14a(4) =35a(5) =56a(6) =112a(7) =168a(8) =294a(9) =420a(10) =672a(11) =924a(12) =1386a(13) =1848a(14) =2640a(15) =3432a(16) =4719a(17) =6006a(18) =8008a(19) =10010a(20) =13013a(21) =16016a(22) =20384a(23) =24752a(24) =30940a(25) =37128a(26) =45696a(27) =54264a(28) =65892a(29) =77520