public void Test2()
        {
            Random rnd = new Random();

            for (long i = 0; i < 50; i++)
            {
                long n = rnd.Next(500) + 1;
                Assert.AreEqual(n * n * n, NumberTriangle.rowSumNumbers(n));
            }
        }
 public void Test1()
 {
     Assert.AreEqual(1, NumberTriangle.rowSumNumbers(1));
     Assert.AreEqual(74088, NumberTriangle.rowSumNumbers(42));
 }