A113027 Magic products of 7 X 7 multiplicative magic squares.

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

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