from time import time
from sys import setrecursionlimit
from functools import lru_cache

setrecursionlimit(10000000)

def consumer(gen):
    for x in gen:
        pass

def recurse(i):
    if i < 0:
        return
    consumer(recurse(j) for j in [i-1])

lo = 8
hi = 16
t = {}

for sh in range(lo, hi):
    b4 = time()
    x = 1 << sh
    ret = recurse(x)
    after = time()
    t[sh] = after - b4

for sh in range(lo+1, hi):
    print(t[sh] / t[sh-1])