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A297693
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Number of nX7 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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34, 1216, 16931, 378611, 8377550, 165522511, 3487451085, 73143230512, 1513232424936, 31582139334118, 658460204051875, 13706009242381030, 285633419187642435, 5951469700723156803, 123981619727666622855
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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=3
..1..0..0..0..1..1..1. .0..0..1..0..0..0..1. .0..1..0..0..0..1..0
..1..0..0..0..0..1..0. .0..0..1..0..0..0..1. .1..1..1..1..1..1..1
..1..0..1..0..0..0..0. .0..0..1..0..1..0..0. .0..0..0..1..0..0..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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