PrintSequnce+Check

using System;

class Sequence
{
    static void Main()
    {
        Console.Write("Please specify how many members of the sequence 2,-3,4,-5,6,-7 you want to see:");
        var input = Console.ReadLine();
        int members;
        var result = int.TryParse(input, out members);
        if (result)
        {
            Console.WriteLine("\n\rThe first {0} members of the sequence 2,-3,4,-5,6,-7 are:", members);
            Console.WriteLine();
            for (int i = 2; i <= members + 1; i++)
            {
                if (i % 2 != 0)
                {
                    Console.Write("{0}", -i);
                }
                else
                {
                    Console.Write("{0}", i);
                }
                if (i != (members + 1))
                {
                    Console.Write(", ");
                }
                else
                {
                    Console.Write(".\n\r");
                }
            }
            Console.WriteLine();
        }
        else
        {
            Console.WriteLine("\n\rWrong input! Try again!");
            Console.WriteLine();
            Main();
        }

    }
}