#include <bits/stdc++.h>
using namespace std;

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int N; cin >> N;
    using ull = unsigned long long;
    const int log = 24,n = 1<<log;
    vector<ull> A(n);
    while(N--){
        int a; cin >> a;
        a ^= (1<<(log+6))-1;
        A.at(a>>6) |= 1ULL<<(a%64);
    }
    for(int d=0; d<log; d++) for(int i=0; i<n; i++){
        if((i>>d)&1) i += 1<<d,i--;
        else A.at(i+(1<<d)) |= A.at(i);
    }
    vector<ull> mask(6);
    for(int i=0; i<6; i++) for(int k=0; k<64; k++) if(!(k&(1<<i))) mask.at(i) |= 1ULL<<k;

    int answer = 0;
    for(auto a : A){
        for(int i=0; i<6; i++) a |= (a&mask.at(i))<<(1<<i);
        answer += __popcount(a);
    }
    cout << answer << endl;
}