QueueSeq

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

namespace CalculateSequanceWithQueue
{
    class QueueSeqTest
    {
        static void Main(string[] args)
        {
            long startNumber = long.Parse(Console.ReadLine());

            Queue<long> sequance = new Queue<long>();
            sequance.Enqueue(startNumber);

            StringBuilder result = new StringBuilder();

            int counter = 0;
            while (counter != 50)
            {
                long currNum = sequance.Dequeue();

                result.Append(currNum + " ");

                sequance.Enqueue(currNum + 1);
                sequance.Enqueue((currNum * 2) + 1);
                sequance.Enqueue(currNum + 2);
                counter++;
            }

            Console.WriteLine(result.ToString());
        }
    }
}