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A197439
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Number of nX5 0..2 arrays with no element equal to the average of its horizontal and vertical neighbors
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1
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66, 12450, 1933358, 279785830, 41434710920, 6117749044788, 903529041581340, 133441483281347232, 19707781710109683796, 2910613305873428168598, 429864171311414595234150, 63486005383317296504335560
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=4
..2..2..0..0..0....0..1..0..0..0....0..2..0..0..0....1..2..0..0..0
..0..0..0..1..1....0..2..0..1..1....2..0..0..1..1....2..1..0..1..1
..1..1..0..0..0....2..1..2..0..0....0..2..0..0..0....2..2..1..0..0
..1..2..0..2..0....0..1..0..1..0....1..1..1..1..1....0..1..0..0..1
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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