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三角形

Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 11134 Accepted Submission(s): 7375

Problem Description

用N个三角形最多可以把平面分成几个区域?

Input

输入数据的第一行是一个正整数T(1<=T<=10000),表示测试数据的数量.然后是T组测试数据,每组测试数据只包含一个正整数N(1<=N<=10000).

Output

对于每组测试数据,请输出题目中要求的结果.

Sample Input

2
1
2

Sample Output

2
8

Author

Ignatius.L

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