题解 | #统计每个月兔子的总数#
统计每个月兔子的总数
https://www.nowcoder.com/practice/1221ec77125d4370833fd3ad5ba72395
n=int(input())
def born(n):
num=1
count=[]
for i in range(1,n+1):
if i<=2:
continue
else:
count.append(born(n-i+1))
return sum(count)+num
print(born(n))
