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A316732
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Number of nX7 0..1 arrays with every element unequal to 0, 2, 3, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
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1
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1, 99, 40, 25, 337, 42, 275, 6652, 3399, 8908, 160954, 203593, 486192, 4585409, 9222281, 23994611, 147546594, 384343255, 1092999534, 5199834676, 15601374407, 47419625605, 194578898512, 628086581739, 1998254845643, 7549906242628
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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=5
..0..1..0..0..0..1..0. .0..0..1..0..0..1..0. .0..1..0..1..1..0..0
..1..1..0..0..0..1..1. .1..1..0..1..1..0..1. .1..0..1..0..0..1..1
..0..0..0..0..0..0..0. .1..1..1..1..1..1..1. .1..1..1..1..1..1..1
..0..1..0..1..1..0..0. .1..1..0..0..1..0..0. .1..0..1..1..0..1..1
..1..0..0..0..0..1..1. .0..0..1..1..1..0..1. .0..1..1..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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