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

Terms

a(0) =1a(1) =4a(2) =14a(3) =48a(4) =166a(5) =584a(6) =2092a(7) =7616a(8) =28102a(9) =104824a(10) =394404a(11) =1494240a(12) =5692636a(13) =21785872a(14) =83688344a(15) =322494208a(16) =1246068806a(17) =4825743832a(18) =18726622964a(19) =72798509728a(20) =283443548276