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

0,1

LINKS

Table of n, a(n) for n=0..29.

Christian Boyer, The smallest possible multiplicative magic squares .

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

Adjacent sequences:  A111027 A111028 A111029 * A111031 A111032 A111033

KEYWORD

nonn

AUTHOR

Christian Boyer (cboyer(AT)club-internet.fr), Oct 05 2005

STATUS

approved

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Last modified July 19 12:47 EDT 2018. Contains 312775 sequences. (Running on oeis4.)