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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..30.

Christian Boyer, Smallest multiplicative magic squares, 6th and 7th-order .

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

Cf. A111029, A111030, A111031.

Sequence in context: A221557 A217003 A159301 * A094722 A283458 A234433

Adjacent sequences:  A113024 A113025 A113026 * A113028 A113029 A113030

KEYWORD

nonn

AUTHOR

Christian Boyer (cboyer(AT)club-internet.fr), Jan 03 2006

STATUS

approved

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Last modified March 26 17:03 EDT 2017. Contains 284137 sequences.