38 lines
585 B
C++
38 lines
585 B
C++
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#include <iostream>
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#include <string>
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#include <vector>
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#include <queue>
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#include <stack>
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#include <algorithm>
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#include <sstream>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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/// This Contest and Compile does not support C++11.
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//#include <thread>
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//#include <mutex>
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//#include <condition_variable>
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//#include <functional>
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using namespace std;
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int main()
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{
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int n;
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cin>>n;
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for(int i=0;i<n;i++)
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{
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int a;
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cin>>a;
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int cc=3;
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while(a--)
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{
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cc=(cc-1)*2;
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}
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cout<<cc<<endl;
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}
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return 0;
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}
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