#include<iostream>
#include<cstdio>
#include<cstring>
#include<unordered_map>
#define I inline
using namespace std;

const int N = 100010;
int a[N],n,ans;
unordered_map<int,int> mp;

I void ins(int v) {
	if(!mp[v]) {
		mp[v]=1;
		ans++;
	}
}
int main()
{
	ios::sync_with_stdio(false);
	cin.tie(0); cout.tie(0);
	cin>>n;
	for(int i=1;i<=n;++i) cin>>a[i];
	for(int i=1;i<n;++i) {
		ins(a[i]); ins(a[i+1]);
		int same=a[i]&a[i+1],dif=a[i]^a[i+1];
		ins(same+dif); ins(same); ins(dif);
		ins(0) ;	
	}
	cout<<ans<<endl;
}