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

Terms

a(0) =1a(1) =2a(2) =2a(3) =-4a(4) =-26a(5) =-68a(6) =-76a(7) =184a(8) =1222a(9) =3308a(10) =3772a(11) =-9656a(12) =-64676a(13) =-177448a(14) =-203992a(15) =536176a(16) =3607622a(17) =9968972a(18) =11510636a(19) =-30723416a(20) =-207302156a(21) =-575382392a(22) =-666187432a(23) =1796105744a(24) =12142184476a(25) =33803271032