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A111030
Magic products of 4 X 4 multiplicative magic squares.
4
5040, 6480, 6720, 7200, 7560, 7920, 8400, 8640, 9072, 9240, 9360, 10080, 10560, 10800, 10920, 11088, 11340, 11520, 11760, 11880, 12096, 12240, 12480, 12600, 12960, 13104, 13200, 13440, 13680, 13860
OFFSET
0,1
EXAMPLE
Here is a 4 X 4 multiplicative magic square:
1 15 24 14
12 28 3 5
21 6 10 4
20 2 7 18
The magic product of each row, column or diagonal is 5040.
CROSSREFS
Sequence in context: A237690 A290121 A269125 * A068378 A036458 A190107
KEYWORD
nonn
AUTHOR
Christian Boyer (cboyer(AT)club-internet.fr), Oct 05 2005
STATUS
approved