package no118a;

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int[] a = new int[100];
		for(int i=0;i<n;i++) {
			a[sc.nextInt()-1]++;
		}
		long s = n;
		long sq = 0;
		long cb = 0;
		for(int i=0;i<100;i++) {
			sq += (long) a[i] * a[i];
			cb += (long) a[i] * a[i] * a[i];
		}
		long ans = (s * s * s - 3 * s * sq + 2 * cb) / 6;
		System.out.println(ans % 1000000007);
	}

}