#include <iostream>using namespace std;int main() {int n, i, sum = 0, term = 1, nextTerm;cout << "Enter the value of n: "; cin >> n;cout << "The series is: ";for (i = 1; i <= n; i++) {cout << term << " ";sum += term;nextTerm = term + i;term = nextTerm;}cout << "\nThe sum of the series is: " << sum << endl;return 0;}
