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猜数字

Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 10567 Accepted Submission(s): 7136

Problem Description

A有1数m，B来猜.B每猜一次，A就说"太大"，"太小"或"对了" 。
问B猜n次可以猜到的最大数。

Input

第1行是整数T,表示有T组数据，下面有T行
每行一个整数n (1 ≤ n ≤ 30)

Output

猜n次可以猜到的最大数

Sample Input

2
1
3

Sample Output

1
7

Author

Zhousc

Source

ECJTU 2008 Summer Contest

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