private void PrintBox()
{
     // TODO : 自由发挥
}

private void button1_Click(object sender, EventArgs e)
{
    PrintBox();  
}

class Program
{
    static Dictionary<string, int> buff;

    static void Main(string[] args)
    {
        do
        {
            Console.Write("输入一个整数...");
            int x = int.Parse(Console.ReadLine());
            buff = new Dictionary<string, int>();
            int y = think(x, 1);
            print(y);
        } while (true);
    }

    static void print(int 行数)
    {
        for (int i = 1; i <= 行数; i++)
        {
            for (int h = 1; h <= 行数; h++)
                Console.Write(buff[i.ToString() + "," + h.ToString()]);
            Console.WriteLine();
        }
    }

    static int think(int x, int 开始行)
    {
        if (x == 1)
        {
            buff.Add(开始行.ToString() + "," + 开始行.ToString(), 1);
            return 开始行;
        }
        else
        {
            int e = think(x - 1, 开始行 + 1);
            for (int i = 开始行; i <= e + 1; i++)
            {
                buff.Add(开始行.ToString() + "," + i.ToString(), x);
                buff.Add((e + 1).ToString() + "," + i.ToString(), x);
            }
            for (int i = 开始行 + 1; i <= e; i++)
            {
                buff.Add(i.ToString() + "," + 开始行.ToString(), x);
                buff.Add(i.ToString() + "," + (e + 1).ToString(), x);
            }
            return e + 1;
        }
    }
}

------解决方案--------------------
先顶下
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