#include <iostream>
#include <vector>
#include <cmath>
#include <map>
#include <set>
#include <iomanip>
#include <queue>
#include <algorithm>
#include <numeric>
#include <deque>
#include <complex>
#include <cassert>

using namespace std;

int main(){

    long long N, ans=0;
    cin >> N;
    vector<long long> A(N);
    for (int i=0; i<N; i++) cin >> A[i];
    sort(A.begin(), A.end());

    vector<vector<vector<long long>>> dp(N+1, vector(N+1, vector<long long>(5001)));
    for (int i=0; i<=N; i++) dp[i][0][0] = 1;

    for (int i=1; i<=N; i++){
        for (int j=1; j<=N; j++){
            for (int k=0; k<=5000; k++){
                dp[i][j][k] += dp[i-1][j][k];
                if (k>=A[i-1]) dp[i][j][k] += dp[i-1][j-1][k-A[i-1]];
            }
        }
    }

    for (int i=0; i<N; i++){
        for (int j=1; j<N; j++){
            for (int k=0; k<=5000; k++){
                if ((k+A[i])%j == 0 && k+A[i]>=j*A[i]) ans += dp[i][j][k];
            }
        }
    }

    cout << ans << endl;

    return 0;
}