Expansion of (1-4*x)^(7/2).

Terms

a(0) =1a(1) =-14a(2) =70a(3) =-140a(4) =70a(5) =28a(6) =28a(7) =40a(8) =70a(9) =140a(10) =308a(11) =728a(12) =1820a(13) =4760a(14) =12920a(15) =36176a(16) =104006a(17) =305900a(18) =917700a(19) =2801400a(20) =8684340a(21) =27293640a(22) =86843400a(23) =279409200a(24) =908079900a(25) =2978502072a(26) =9851968392a(27) =32839894640