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

Terms

a(0) =1a(1) =-2a(2) =-10a(3) =-52a(4) =-282a(5) =-1596a(6) =-9412a(7) =-57640a(8) =-364922a(9) =-2376812a(10) =-15852204a(11) =-107821656a(12) =-745342500a(13) =-5221954776a(14) =-36997822536a(15) =-264620356944