Trimagic square, 12nd-order


Walter Trump (Schwabach, 1953 - )

The first known order-12 trimagic square is owed to the German Walter Trump. The square was found in June 2002. He is "symmetrical" left/right: the i-th element of a row + the (13-i)th element of this same row = 12² + 1 = 145.

The sums of the rows, columns and diagonals are equal to 870. The sums of the squares of the rows, columns and diagonals are equal to 83,810. The sums of the cubes of the rows, columns and diagonals are equal to 9,082,800.


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