using System;

public class Program

{

    public static void Main()

    {

        test(); // do not change or remove

    }

    // Instructions(Method):

    // Write the method pyramidCount

    // 1. fill the correct return type and parameter

    // 2. implement the method

    public static /*return type*/ pyramidCountx(/*parameter*/) {

        // Add your code here

    }

​

    //This method tests that your code is correct

    public static void test() {

        if(pyramidCount(1) == 1 && 

            pyramidCount(2) == 5 && 

            pyramidCount(3) == 14 && 

            pyramidCount(4) == 30 && 

            pyramidCount(24) == 4900 && 

            pyramidCount(88) == 231044) 

        {

              Console.WriteLine("Congradulations! Challenge Solved!");

        } 

        else 

        {

              Console.WriteLine("Challenge failed!");

        }

    }

}