define e  = Math.e;
define pi = Math.pi;

func Γ(t) {
    t < 20 ? (__FUNC__(t + 1) / t)
           : (Math.sqrt(2*pi*t) * Math.pow(t/e + 1/(12*e*t), t) / t);
}

for i in 1..10 {
    say ("%.14e" % Γ(i/3));
}