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

Terms

a(0) =-1a(1) =2a(2) =0a(3) =2a(4) =5a(5) =10a(6) =27a(7) =86a(8) =264a(9) =806a(10) =2559a(11) =8332a(12) =27343a(13) =90498a(14) =302801a(15) =1022074a(16) =3472577a(17) =11868242a(18) =40786623a(19) =140851104a(20) =488490057a(21) =1700694884a(22) =5941890068a(23) =20826229564a(24) =73208513161a(25) =258031793698a(26) =911704655945