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A317265
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Number of nX7 0..1 arrays with every element unequal to 0, 1, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
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1
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21, 127, 186, 1220, 6645, 33695, 219131, 1493369, 9934644, 70625395, 518178473, 3790437377, 27969547182, 208246718879, 1554178773071, 11608328499671, 86848886992241, 650617581755995, 4875381282591668, 36542048437118097
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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..0..0..0. .0..0..1..1..1..1..0. .0..0..0..1..0..0..1
..1..1..0..1..1..0..0. .0..0..0..1..1..1..1. .0..1..0..1..0..1..1
..1..1..1..1..1..1..0. .0..0..0..0..0..0..0. .1..1..0..0..0..0..0
..1..0..0..1..0..0..0. .0..0..1..1..0..0..1. .1..1..1..1..0..1..0
..1..1..0..1..1..0..0. .0..0..0..1..0..1..1. .1..0..0..1..0..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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