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A113027
Magic products of 7 X 7 multiplicative magic squares.
0
3632428800, 4151347200, 4410806400, 4540536000, 4670265600, 4750099200, 4843238400, 4929724800, 5145940800, 5189184000, 5292967680, 5308934400, 5428684800, 5448643200, 5613753600, 5708102400, 5751345600, 5811886080, 5837832000, 5881075200, 5915669760, 5937624000, 5967561600, 6054048000, 6067353600, 6107270400, 6175128960, 6227020800, 6274195200, 6333465600
OFFSET
1,1
EXAMPLE
Here is a 7 X 7 multiplicative magic square:
11 27 1 64 60 49 65
52 35 36 55 2 12 42
28 48 39 10 70 33 3
25 44 56 9 18 26 14
6 5 77 78 84 8 30
63 4 40 21 13 20 66
24 91 15 7 22 45 16
The magic product of each row, column or diagonal is 3632428800.
CROSSREFS
KEYWORD
nonn
AUTHOR
Christian Boyer (cboyer(AT)club-internet.fr), Jan 03 2006
STATUS
approved