Sum of Odd Numbers - for

using System;

    class Program
    {
    private static void Main()
    {
        int n = int.Parse(Console.ReadLine());
        int sum = 0;

        for (int i=1; i<=n; i++)
        {
            Console.WriteLine("{0}", 2*i-1);
            sum += 2 * i - 1;
        }
        Console.WriteLine($"Sum: {sum}");

        }
    }