public void Test1()
        {
            /*
             *      It can be verified that T285 = P165 = H143 = 40755.
             */
            var sut = new E045TriangularPentagonalHexagonal();

            Assert.Equal(40755, sut.GetNext(284));
        }
        public void Solution()
        {
            /*
             * Find the next triangle number that is also pentagonal and hexagonal.          */

            var sut = new E045TriangularPentagonalHexagonal();

            Assert.Equal(1533776805, sut.GetNext(286));

            /*
             * Congratulations, the answer you gave to problem 45 is correct.
             *  You are the 62897th person to have solved this problem.
             */
        }