#include <iostream>
#include <map>
using namespace std;

using ll = long long;

const int MOD = 1e9 + 7;
const int MAX_N = 1e5 + 10;

int len[MAX_N], num[MAX_N];
int dp[MAX_N][4];

int main() {
    int n;
    cin >> n;

    map<int, int> counter;
    for (int i = 0; i < n; i++) {
        int a;
        cin >> a;
        counter[a]++;
    }

    int b_kinds = 0;
    for (auto it = counter.begin(); it != counter.end(); it++) {
        len[b_kinds] = it->first;
        num[b_kinds] = it->second;

        b_kinds++;
    }

    dp[0][0] = 1;
    for (int i = 0; i < b_kinds; i++) {
        for (int b = 0; b <= 3; b++) {
            dp[i + 1][b] += dp[i][b];
            dp[i + 1][b] %= MOD;

            if (b - 1 >= 0) {
                dp[i + 1][b] += (ll)dp[i][b - 1] * (ll)num[i];
                dp[i + 1][b] %= MOD;
            }
        }
    }
    cout << dp[b_kinds][3] << endl;

    return 0;
}