Sum of Odd Numbers (Easy way)

using System;

class Program
{
    static void Main(string[] args)
    {
        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);
    }
}