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## Fibonacci sequence series in C#

The Fibonacci sequence is a series of numbers where a number is found by adding up the two numbers before it. Starting with 0 and 1, the sequence goes 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, and so forth.

### Source Code

`using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace evenFibonacci{    class Program    {        static void Main(string[] args)        {            welcomeScrean();            evenFibonacci();            int wait = Convert.ToInt32(Console.ReadLine());        }        private static void welcomeScrean()        {            Console.Write("\a"            + "\t*******************************************************" + "\n"            + "\t**                                                   **" + "\n"            + "\t**                   Welcome To                      **" + "\n"            + "\t**                                                   **" + "\n"            + "\t**               Find Even Fibonacci                 **" + "\n"            + "\t**                                                   **" + "\n"            + "\t**                 and there sum                     **" + "\n"            + "\t**                                                   **" + "\n"            + "\t**                 Program By LEP                    **" + "\n"            + "\t**                                                   **" + "\n"            + "\t*******************************************************" + "\n");        }        private static void evenFibonacci()        {            int num, count = 0;            long previous = 1, next = 0, sum;            Console.Write("\t Enter Your Number to Find Fibonacci ");            num = Convert.ToInt32(Console.ReadLine());            Console.Write("\n\t First " + num + " Even Fibonacci Numbers Are \n");            do            {                if (previous % 2 == 0)                {                    Console.Write("\n\t " + previous + " ");                    count++;                }                sum = previous + next;                next = previous;                previous = sum;            } while (count != num);        }    }}`