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A300313
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Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
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1
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64, 353, 1747, 41485, 1008622, 23451403, 543024998, 13524308534, 332995274077, 7989933814706, 194852895416301, 4772953154573753, 116000077155524086, 2822733986488474176, 68864301686782525379, 1677714968007630564471
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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..1..0..1. .0..1..0..1..1..0..0. .0..0..1..1..0..0..1
..0..0..0..0..0..0..1. .0..1..1..0..0..1..1. .0..1..1..1..1..0..1
..0..0..1..0..0..0..1. .0..1..1..1..1..1..0. .0..0..0..0..0..0..0
..0..1..0..1..0..0..1. .0..1..0..0..1..1..1. .0..0..0..0..0..0..0
..0..0..0..1..0..1..0. .1..0..1..1..0..0..0. .0..1..1..1..0..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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