#define _CRT_SECURE_NO_WARNINGS
#define _SILENCE_CXX17_C_HEADER_DEPRECATION_WARNING
#include <bits/stdc++.h>
using namespace std;
int main()
{
    int T;
    cin >> T;
    while (T--)
    {
        long long x;
        cin >> x;
        cout << 2 * x * x - x + 1 << endl;
    }
    return 0;
}