using System;
using System.Collections.Generic;
using System.Text;
using System.Linq;
 
class Program
{
    public void Proc()
    {
        Reader.IsDebug = false;
        int itemCount = int.Parse(Reader.ReadLine());
        int[] list = Reader.GetInt();
        Dictionary<int, int> dic = new Dictionary<int, int>();
        for(int i=0; i<list.Length; i++) {
            int num = list[i];
            if(!dic.ContainsKey(num)) {
                dic.Add(num, 1);
            } else
            {
                dic[num]++;
            }
        }
        long ans = 0;
        long modNum = 1000000000 + 7;
        List<int> keyList = new List<int>(dic.Keys);
        for(int i=0; i<keyList.Count-2; i++) {
            for(int j=i+1; j<keyList.Count - 1; j++) {
                for(int k=j+1; k<keyList.Count; k++) {
                    long tmp = (dic[keyList[i]] * dic[keyList[j]]) % modNum;
                    tmp = (tmp * dic[keyList[k]]) % modNum;
                    ans += tmp;
                    ans = ans % modNum;
                }
            }
        }
        Console.WriteLine(ans);
    }
 
 
 
    public class Reader
    {
        public static bool IsDebug = true;
        private static String PlainInput = @"






 
";
        private static System.IO.StringReader Sr = null;
        public static string ReadLine()
        {
            if (IsDebug)
            {
                if (Sr == null)
                {
                    Sr = new System.IO.StringReader(PlainInput.Trim());
                }
                return Sr.ReadLine();
            }
            else
            {
                return Console.ReadLine();
            }
        }
        public static int[] GetInt(char delimiter = ' ', bool trim = false)
        {
            string inptStr = ReadLine();
            if (trim)
            {
                inptStr = inptStr.Trim();
            }
            string[] inpt = inptStr.Split(delimiter);
            int[] ret = new int[inpt.Length];
            for (int i = 0; i < inpt.Length; i++)
            {
                ret[i] = int.Parse(inpt[i]);
            }
            return ret;
        }
    }
    static void Main()
    {
        Program prg = new Program();
        prg.Proc();
    }
}