258031793698domain: NAppears in sequencesExpansion of -(x*(1-sqrt((2*(1-sqrt(4*x^2+1)))/x+1)))/(1-sqrt(4*x^2+1)) - 1.at n=24A243814Expansion 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).at n=25A243816