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A299179
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Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.
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1
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64, 3281, 5631, 22819, 105709, 488812, 2207509, 10286880, 48492179, 225721140, 1052511651, 4943137693, 23205542625, 108821827316, 511190051629, 2403886138964, 11305007633490, 53192247798072, 250461934195726
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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..1..0..1..1..0..0. .0..0..0..0..1..1..0. .0..1..0..1..1..0..0
..1..0..1..0..1..0..1. .1..1..1..1..0..0..1. .1..0..0..0..0..0..1
..1..0..1..0..1..0..1. .1..0..0..1..0..1..1. .0..0..0..0..0..0..0
..1..0..1..0..1..1..0. .1..0..0..1..0..1..0. .1..0..0..1..0..0..1
..1..0..0..1..0..0..0. .1..1..1..1..0..1..0. .0..1..0..0..1..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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