def main():
num = 1
while True:
old_nums = set(num_split(num))
products = [num*x for x in range(2, 7)]
tmp = [membership(old_nums, set(num_split(x))) for x in products]
#print num, tmp, products
if False not in tmp:
break
num += 1
#print num
print num
def main():
lst = []
for i in range(100):
if i % 3 == 2:
lst.append((i / 3 + 1) * 2)
else:
lst.append(1)
lst[0] = 2
# print lst
numerator = cntfrac2frac(lst).numerator
numbers = num_split(numerator)
print sum(numbers)
def sum_digits(num):
nums = num_split(num)
return sum(nums)
def square_chain(num):
numbers = num_split(num)
return sum([i ** 2 for i in numbers])