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A305522
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Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero.
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1
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64, 8192, 466858, 23747613, 1269418258, 67425576120, 3592436519091, 191577652761963, 10218588450186728, 545224050326670079, 29092517827360869418, 1552454485592778642802, 82844647343060190173654
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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..1..1..0..0. .0..0..0..0..1..1..1. .0..0..0..1..1..1..0
..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..1..1..0. .0..0..0..0..0..0..0. .0..0..0..0..0..0..0
..0..0..0..0..1..1..1. .0..0..0..0..1..0..0. .0..0..0..1..1..0..0
..0..0..0..1..1..1..1. .0..0..0..1..1..1..0. .0..0..0..1..1..0..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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