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A283690
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Number of nX7 0..1 arrays with no 1 equal to more than two of its horizontal, diagonal and antidiagonal neighbors.
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1
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128, 6081, 268285, 13354587, 640543058, 30968693109, 1496646288297, 72299799564414, 3493423029563345, 168787432899036492, 8155161269130497936, 394026399329673608352, 19037838247755538800787, 919835398042802262299271
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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=2
..0..0..0..1..0..0..0. .1..0..1..1..0..1..0. .0..1..1..0..0..0..0
..0..0..1..0..0..1..1. .0..0..1..0..0..1..0. .0..0..1..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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