The first, 9,  terms of the sequence of enumerating

          the number of, 4, by  n Latin rectangles (divided by n!) is

                        for n between 1 and , 9, equals

      [0, 0, 0, 24, 1344, 393120, 155185920, 88390995840, 69761852246016]

                  This took , 104698.455, seconds of CPU time