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A303628
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Number of 6Xn 0..1 arrays with every element equal to 0, 2, 3, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
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1
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32, 10, 2520, 10741, 398859, 6446485, 179884814, 4470005178, 122594183754, 3358212405222, 93494167786193, 2615702793245652, 73423169266382719, 2065363849547312414, 58153976434030392443, 1638589480520177365526
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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=5
..0..0..0..0..0. .0..0..0..1..1. .0..0..0..0..1. .0..0..0..1..0
..0..0..0..0..1. .0..0..0..1..1. .0..0..0..0..0. .0..0..0..1..0
..1..1..0..0..0. .1..1..1..0..0. .0..0..1..0..0. .0..0..1..1..1
..1..1..1..0..0. .1..1..1..0..0. .0..1..1..1..1. .0..0..0..1..0
..1..1..1..1..1. .0..0..0..0..0. .0..0..1..1..0. .0..0..1..1..0
..0..1..0..1..1. .1..0..1..0..0. .0..0..0..1..1. .0..0..0..1..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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