#include <bits/stdc++.h>
using namespace std;
long long n, a[100005];
int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  cin >> n;
  long i;
  for (i = 0; i <= n - 1; i++) cin >> a[i];
  sort(a, a + n);
  long long pc = 1, qc = 1, rc = 1;
  long long b[3];
  long long p = a[0], q = a[1], r = a[2];
  if (p == q && q == r) {
    long long c = 3;
    for (i = 3; i <= n - 1; i++)
      if (a[i] == p) c++;
    cout << c * (c - 1) * (c - 2) / 6;
  } else if (p == q) {
    long long pc = 2, rc = 1;
    for (i = 3; i <= n - 1; i++)
      if (a[i] == p)
        pc++;
      else if (a[i] == r)
        rc++;
    cout << pc * (pc - 1) * rc / 2;
  } else if (q == r) {
    long long pc = 1, rc = 2;
    for (i = 3; i <= n - 1; i++)
      if (a[i] == p)
        pc++;
      else if (a[i] == r)
        rc++;
    cout << rc * (rc - 1) * pc / 2;
  } else {
    long long rc = 1;
    for (i = 3; i <= n - 1; i++)
      if (a[i] == r) rc++;
    cout << rc;
  }
  return 0;
}
