Drawing Isosceles Triangle

using System;
using System.Text;

class IsoscelesTriangle
{
    static void Main()
    {
        Console.OutputEncoding = Encoding.UTF8;
        char copyrightsign = '\u00A9';
        Console.WriteLine("This program will draw an Isosceles Triangle with height up to 50 rows.");
        Console.Write("Please enter the desired triangle's height:");
        string userinput = Console.ReadLine();
        int leftspace;
        int innerspace = 1;
        char space = ' ';
        byte height;
        while (!byte.TryParse(userinput, out height) || height > 50)
        {
            Console.WriteLine("Invalid input data. Please enter a positive integer up to number 50:");
            userinput = Console.ReadLine();
        }
        for (byte row = 1; row <= height; row++)
        {
            leftspace = height - row;
            Console.Write(new string(space, leftspace) + copyrightsign); //This part gets drawn every time
            if (row > 1 && row < height)
            {
                Console.Write(new string(space, innerspace) + copyrightsign);
                innerspace += 2;
            }
            if (row == height)
            {
                for (int i = height; i > 1; i--)
                {
                    Console.Write(new string(space, 1) + copyrightsign); //This is for the last row
                }
            }
            Console.WriteLine();
        }
    }
}