#include<bits/stdc++.h>
typedef uint64_t u64;
typedef int64_t i64;
using namespace std;

template<typename T> void scan_(vector<T>& a){
  for(auto& v:a){
    cin>>v;
  }
}
template<typename T> void scan_(T& a){
  cin>>a;
}
void scan(){}
template<typename T,class... Args> void scan(T& n,Args&... args){
  scan_(n),scan(args...);
}
template<typename T> void println(T n){
  cout<<n<<"\n";
}
template<typename T,class... Args> void println(T n,Args... args){
  cout<<n<<" ",println(args...);
}
template<typename T> void println(vector<T> v){
  for(size_t i=0;i<v.size();++i){
    cout<<v[i]<<" \n"[i==v.size()-1];
  }
}

template<u64 mod=998244353> struct modint{
  u64 val;
  modint(i64 val_=0):val((val_%i64(mod)+i64(mod))%i64(mod)){}
  modint operator-(){
    return (val==0)?0:mod-val;
  }
  modint operator+(modint rhs){
    return modint(*this)+=rhs;
  }
  modint operator-(modint rhs){
    return modint(*this)-=rhs;
  }
  modint operator*(modint rhs){
    return modint(*this)*=rhs;
  }
  modint operator/(modint rhs){
    return modint(*this)/=rhs;
  }
  modint operator^(i64 rhs){
    return modint(*this)^=rhs;
  }
  modint &operator+=(modint rhs){
    val+=rhs.val,val-=((val>=mod)?mod:0);
    return (*this);
  }
  modint &operator-=(modint rhs){
    val+=((val<rhs.val)?mod:0),val-=rhs.val;
    return (*this);
  }
  modint &operator*=(modint rhs){
    val=val*rhs.val%mod;
    return (*this);
  }
  modint &operator/=(modint rhs){
    return (*this)*=rhs^(mod-2);
  }
  modint &operator^=(i64 rhs){
    modint res=1,now=(*this);
    while(rhs){
      res*=((rhs&1)?now:1),now*=now,rhs>>=1;
    }
    return (*this)=res;
  }
  bool operator==(modint rhs){
    return val==rhs.val;
  }
  bool operator!=(modint rhs){
    return val!=rhs.val;
  }
  friend std::ostream &operator<<(std::ostream& os,modint x){
    return os<<(x.val);
  }
  friend std::istream &operator>>(std::istream& is,modint& x){
    u64 t;
    is>>t,x=t;
    return is;
  }
};

int main(){
  constexpr u64 mod=998244353;
  typedef modint<mod> mint;
  int N;
  scan(N);
  vector<int> A(N);
  scan(A);
  vector<vector<vector<i64>>> dp(55,vector<vector<i64>> (5105,vector<i64> (105)));
  dp[0][0][0]=1;
  for(int i=0;i<N;++i){
    for(int j=i;j>=0;--j){
      for(int k=100*i;k>=0;--k){
        for(int l=100;l>=0;--l){
          dp[j+1][k+A[i]][max(l,A[i])]+=dp[j][k][l];
        }
      }
    }
  }
  i64 ans=0;
  for(int j=2;j<=N;++j){
    for(int k=0;k<=5000;k+=j-1){
      for(int l=0;l<=min(100,k/(j-1));++l){
        ans+=dp[j][k][l];
      }
    }
  }
  println(ans);
}