def fill_fn(ps, fn, maxN):
    fn[1] = 1
    fn[2] = 1 + ps[1]
    fn[3] = 1 + ps[2] + ps[1] * fn[2]
    fn[4] = 1 + ps[3] + ps[2] * fn[2] + ps[1] * fn[3]
    fn[5] = 1 + ps[4] + ps[3] * fn[2] + ps[2] * fn[3] + ps[1] * fn[4]
    fn[6] = 1 + ps[5] + ps[4] * fn[2] + ps[3] * fn[3] + ps[2] * fn[4] + ps[1] * fn[5]
    for i in range(7, maxN):
        fn[i] = 1 + sum(ps[j] * fn[i - j] for j in range(1, 7))
 
    
T = int(input())
Ns = [int(input()) for t in range(T)]
maxN = max(Ns)
ps = [0, 1/12, 1/6, 1/4, 1/12, 1/4, 1/6]
fn = [0] * (maxN + 7)
fill_fn(ps, fn, maxN + 7)
for n in Ns:
    print(fn[n])