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A283229
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Number of n X 5 0..1 arrays with no 1 equal to more than two of its horizontal and vertical neighbors, with the exception of exactly two elements.
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1
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0, 49, 3996, 163860, 5814342, 188295479, 5735340380, 167289795994, 4724329890393, 130096179474238, 3510766557493700, 93180419391136915, 2439005097362209956, 63092188369767978569, 1615585146171148850583
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OFFSET
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1,2
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=4
..0..1..1..0..0. .1..0..0..1..1. .1..1..1..1..1. .1..1..1..1..0
..0..0..0..1..1. .0..0..0..1..1. .1..0..0..1..0. .0..0..0..1..1
..0..1..1..1..1. .1..1..1..0..0. .0..1..0..0..0. .1..0..1..1..0
..1..0..1..1..0. .1..1..1..0..0. .1..1..1..1..0. .0..1..0..1..0
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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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