#include<iostream>
using namespace std;

typedef long long ll;

const int N=1010;

ll t,n,a[N],s[N];

int main()
{
	a[0]=1;
	for(int i=1;i<N;i++)
	{
		a[i]=2*i-1;
		s[i]=s[i-1]+a[i];
	}
	cin>>t;
	while(t--)
	{
		cin>>n;
		if(n==0)
			cout<<1<<endl;
		else
		cout<<a[n]+2*s[n-1]<<endl;
	}
	return 0;
}