#include <bits/stdc++.h>
using namespace std;
const int N = 200110;
long long a[N], c1[N], c2[N];
int32_t main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  int q;
  cin >> q;
  string s, w;
  while (q--) {
    int n, x;
    cin >> n;
    for (int i = 0; i <= n; ++i) {
      c1[i] = c2[i] = 0;
    }
    for (int i = 0; i < n; ++i) {
      cin >> a[i];
      c1[a[i]]++;
    }
    long long rs = 0, at;
    for (int i = 0; i < n; ++i) {
      c1[a[i]]--;
      at = 0;
      for (int j = i + 1; j < n; ++j) {
        at -= c2[a[j]] * c1[a[j]];
        c2[a[j]]++;
        c1[a[j]]--;
        if (a[i] == a[j]) {
          rs += at + (c2[a[j]] - 1) * c1[a[j]];
        }
        at += c2[a[j]] * c1[a[j]];
      }
      for (int j = i + 1; j < n; ++j) {
        c2[a[j]]--;
        c1[a[j]]++;
      }
    }
    cout << rs << "\n";
  }
  return 0;
}
