import java.io.*;
import java.util.*;
public class Main
{
	public static void main(String args[]) throws Exception
	{
		Scanner cin=new Scanner(System.in);
		int n,i;
		int num[];
		n=cin.nextInt();
		num=new int[n];
		for(i=0;i<n;i++)
		{
			num[i]=cin.nextInt();
		}
		for(i=0;i<n;i++)
		{
			System.out.println((num[i]/2)*((num[i]-1)/2));
		}
		
	}
}