Isosceles Triangle

using System;

namespace ConsoleTest
{
    class ConsoleTest
    {
        static void Main()
        {
            Console.OutputEncoding = System.Text.Encoding.Unicode;
            byte size = 15;

            for (int i = 0, j = 1, k = size; i < size; i++, j += 2, k--)
            {
                if (i > 0 && i < size - 1)
                {
                    Console.Write(new string(' ', k));
                    Console.Write(new string('\u00A9', 1));
                    Console.Write(new string(' ', j-2));
                    Console.Write(new string('\u00A9', 1));
                    Console.Write(new string(' ', k));
                    Console.WriteLine();
                }
                else
                {
                    Console.Write(new string(' ', k));
                    Console.Write(new string('\u00A9', j));
                    Console.Write(new string(' ', k));
                    Console.WriteLine();
                }
            }
        }
    }
}