1 6 15 28 45 Sequence

#include <iostream>
using namespace std;

int main() {
    int n;
    cout <<  "How many terms: ";
    cin >> n;
    for(int i = 0; i < n; i++)
        cout << 2 * i * i + 3 * i + 1 << " ";
    cout << endl;

    return 0;
}