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A316309
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Number of nX6 0..1 arrays with every element unequal to 0, 1, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero.
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1
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13, 61, 83, 404, 1488, 4431, 17487, 75221, 293206, 1262596, 5656690, 25122303, 114261106, 529250742, 2459225011, 11507032895, 54202472427, 256046793093, 1212774884768, 5758714680206, 27386651158332, 130399164042147
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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..0..0..0. .0..1..1..1..0..0. .0..0..1..1..1..1. .0..1..1..1..1..1
..1..1..0..1..0..0. .0..0..1..1..1..0. .0..1..1..1..1..1. .1..1..1..1..1..1
..0..0..0..0..0..0. .0..0..0..0..0..0. .1..1..1..1..1..1. .1..1..1..1..1..1
..0..1..0..0..0..0. .0..0..0..1..0..0. .1..1..1..1..1..0. .0..1..1..1..0..1
..0..0..0..0..0..1. .1..0..0..0..0..0. .0..1..1..1..0..0. .0..0..1..1..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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