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A316425
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Number of nX6 0..1 arrays with every element unequal to 0, 1, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
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1
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13, 105, 148, 640, 2861, 8916, 31433, 121028, 417457, 1475614, 5432803, 19246569, 68385710, 247600789, 884288193, 3153623933, 11341724622, 40601573283, 145110168322, 520483754072, 1864258211948, 6670315687373, 23900988608589
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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..1..1..0..1. .0..1..1..1..1..1. .0..0..1..1..1..0. .0..0..0..1..1..1
..0..1..1..1..1..1. .1..1..1..1..0..1. .0..1..1..1..1..1. .0..0..0..0..1..1
..1..1..1..1..1..1. .1..1..1..0..0..0. .1..1..1..1..1..1. .1..0..0..0..0..1
..1..1..1..1..0..1. .0..1..1..1..0..0. .1..1..1..1..1..0. .1..1..0..0..0..0
..1..1..0..1..0..0. .1..1..1..1..1..0. .1..1..0..1..1..1. .1..1..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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