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

#define int long long
typedef vector<int>vint;
typedef pair<int,int>pint;
typedef vector<pint>vpint;
#define rep(i,n) for(int i=0;i<(n);i++)
#define reps(i,f,n) for(int i=(f);i<(n);i++)
#define all(v) (v).begin(),(v).end()
#define each(it,v) for(__typeof((v).begin()) it=(v).begin();it!=(v).end();it++)
#define pb push_back
#define fi first
#define se second
template<typename A,typename B>inline void chmin(A &a,B b){if(a>b)a=b;}
template<typename A,typename B>inline void chmax(A &a,B b){if(a<b)a=b;}

typedef long long ll;

ll calc(ll d) {
  return (ll)((-1 + sqrt(1 + 4*d)) / 2.0);
}

int solve(int d){
    int lb=0,ub=1000000000;
    while(ub-lb>1){
        int mid=(ub+lb)/2;
        if(mid*2+mid<=d)lb=mid;
        else ub=mid;
    }
    return lb;
}

signed main(){
    int cnt=0;
    for(int i=2;;i++){
        if((i*i-1)%4)continue;
        int t=(i*i-1)/4;
        if(calc(t)!=solve(t)){
            printf("%lld\n",t);
            cnt++;
            if(cnt==100000)break;
        }
    }
    return 0;
}