#include <bits/stdc++.h>
using namespace std;
 
#define endl '\n';
#define ll long long
 
ll ncr(ll n, ll r){
	if(n == r) return 1;
 
	ll top = (n) * (n - 1) * (n - 2);
 
	ll ans = top / 6;
 
	return ans;
 
}
 
void solve()
{
    ll n; cin >> n;
    map<ll, ll> mp;
 
    for(ll i = 0; i < n; i++){
    	ll temp; cin >> temp;
    	mp[temp]++;
    }
 
    ll ans = 0;
    for(auto a: mp){
    	if(a.second >= 3){
    		ans += ncr(a.second, 3); 
    	}
    }
 
 
    cout << ans << endl;
 
}
 
 
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
 
    int tc = 1;
    cin >> tc;
    //cout << ncr(10000, 3) << endl;
 
    while(tc--){
    	solve();
    } 
}