#include using namespace std; typedef long long ll; #define rep(i, n) for(ll i = 0, i##_len = (n); i < i##_len; i++) #define reps(i, s, n) for(ll i = (s), i##_len = (n); i < i##_len; i++) #define rrep(i, n) for(ll i = (n) - 1; i >= 0; i--) #define rreps(i, e, n) for(ll i = (n) - 1; i >= (e); i--) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define sz(x) ((ll)(x).size()) #define len(x) ((ll)(x).length()) #define endl "\n" int main() { cin.tie(0); ios::sync_with_stdio(false); // ifstream in("input.txt"); // cin.rdbuf(in.rdbuf()); const ll mod = 1e9 + 7; ll n; cin >> n; vector a(n); rep(i, n) cin >> a[i]; map ma; rep(i, n) ma[a[i]]++; ll mv = ma.rbegin()->first; ll ans = 0; rep(i, mv + 1) { reps(j, i + 1, mv + 1) { reps(k, j + 1, mv + 1) { ans = (ans + ma[i] * ma[j] * ma[k]) % mod; } } } cout << ans << endl; return 0; }