#include <iostream>
#include <cmath>
using namespace std;

int main()
{
long long a[2018];
long long f = 0;
a[0] = 1;
 for (int x = 1; x <= 2017; ++x){
    a[x] = a[x-1] + 1;
 }
for (int y = 0; y <= 2015; ++y){
    long long tmp = a[y] * a[y + 1] * a[y + 2];
    cout << tmp << endl;
    f += tmp;
}
cout.precision(20);
cout << cout.fixed << (double) sqrt(4 * f);
     return 0;
}