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

Terms

a(0) =1a(1) =4a(2) =8a(3) =32a(4) =96a(5) =384a(6) =1280a(7) =5120a(8) =17920a(9) =71680a(10) =258048a(11) =1032192a(12) =3784704a(13) =15138816a(14) =56229888a(15) =224919552a(16) =843448320a(17) =3373793280a(18) =12745441280a(19) =50981765120a(20) =193730707456a(21) =774922829824