#include <algorithm>
#include <iostream>
#include <vector>
using namespace std;
const int MOD = (int)1e9 + 7;

long long comb(int n, int r) {
    if (r < 0 || n < r) return 0;
    long long ret = 1;
    for (int i = 1; i <= r; i++) (ret *= n--) /= i;
    return ret;
}

int main() {
    int n; cin >> n;
    vector<int> a(n);
    for (int &ai: a) cin >> ai;
    vector<int> cnt(101);
    for (int ai: a) cnt[ai]++;
    long long ans = comb(n, 3) % MOD;
    for (int c: cnt) if (c) {
        (ans -= comb(c, 2) * comb(n - c, 1) + comb(c, 3)) %= MOD;
    }
    cout << ans << endl;
    return 0;
}