Expansion of 1/(1 - 2*x + 5*x^2)^(7/2).

Terms

a(0) =1a(1) =7a(2) =14a(3) =-42a(4) =-294a(5) =-462a(6) =1386a(7) =7722a(8) =9009a(9) =-37037a(10) =-160160a(11) =-123760a(12) =835380a(13) =2848860a(14) =1046520a(15) =-16550520a(16) =-45140865a(17) =3533145a(18) =296447690a(19) =648593330a(20) =-393463070a(21) =-4895709390a(22) =-8489647530a(23) =10975099590a(24) =75528298755a(25) =100311659721a(26) =-230350834728