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A297692
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Number of nX6 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 2 or 4 neighboring 1s.
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1
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21, 436, 4277, 60904, 858645, 11111767, 150761147, 2038941780, 27303620184, 367842469735, 4952417047434, 66600678642445, 896344471370201, 12062060639311458, 162297592195716978, 2183962016833905594
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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
..0..0..1..0..0..0. .0..0..0..0..1..0. .0..0..0..0..0..1. .0..1..0..0..1..1
..0..0..0..0..0..0. .0..0..0..1..0..1. .0..0..0..1..0..0. .0..0..0..0..1..1
..1..1..0..0..0..1. .1..0..0..0..1..1. .1..1..0..0..0..0. .0..0..1..0..0..0
..0..1..1..0..0..0. .0..0..0..1..1..0. .0..1..1..0..0..0. .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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