UVA - 10733 - The Colored Cubes

//Using Burnside's Lemma
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.math.BigInteger;

public class Main {

    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringBuffer sb = new StringBuffer("");
        BigInteger []bg=new BigInteger[1001];
      
        for (long i = 0; i < bg.length; i++) {
            long temp=i*i;
            long temp2=temp*temp;
            temp=((temp2*temp)+(3*temp2)+(12*temp*i)+(8*temp))/24;
            bg[(int)i]=BigInteger.valueOf(temp);
        }
        while (true) {
            int x = Integer.parseInt(br.readLine());
            if (x == 0) {
                break;
            }
            sb.append(bg[x]).append("\n");
        }
        System.out.print(sb);
    }
}