Program to display series - 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55 ...

Program.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace RandomNumbers
{
    class Program
    {
        static void Main(string[] args)
        {
            int previous = 0, next = 1, sum = 0;
            for (int i = 1; i < 15; i++)
            {
                if (i == 2)
                    Console.Write("1, ");

                Console.Write(sum + ", ");
                sum = previous + next;
                previous = next;
                next = sum;
            }
            Console.Read();
        }
    }
}