Bounds on number of sudoku grids

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Bounds on number of sudoku grids

Postby nickelbird » Thu Feb 11, 2016 6:10 pm

What are the best lower and upper bound known for the number of sudoku grids with region size MxN?
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Re: Bounds on number of sudoku grids

Postby nickelbird » Thu Feb 11, 2016 7:50 pm



I am unable to find any bounds on the wiki page (Maybe you could point them out?).

For example one could make the trivial bounds

Lower bound (MN)!
Upper bound (MN)^((MN)^2)
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