No. VI.—MAGIC SQUARE BY MULTIPLICATION

Here is a magic square, in which the rows, columns, and diagonals yield the same product, 4096, by multiplication:—

128132
41664
82562

[Image]

It will be seen that the numbers in this square, 1, 2, 4, 8, 16, 32, 64, 128, 256, are in regular progression, and 4096 is also the cube of the central 16.