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A317042
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Number of n X 7 0..1 arrays with every element unequal to 0, 1, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
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1
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21, 289, 527, 14294, 333207, 7760044, 302924053, 11244564485, 374107033198, 13676571568127, 507556461460973, 18202712275182220, 661696234025152587, 24271816590074405501, 883498080212983561554, 32182611394905747315615
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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..1..0..0..1..0. .0..1..1..0..1..1..0. .0..0..0..1..0..1..0
..0..0..0..0..0..0..0. .0..0..0..1..1..1..1. .0..0..1..1..0..0..0
..1..1..1..0..1..1..1. .0..0..1..0..1..0..0. .0..1..1..0..0..1..1
..0..1..0..1..1..0..0. .0..1..1..0..0..1..1. .0..0..0..0..1..0..0
..0..0..0..1..0..1..0. .1..1..1..1..0..1..0. .0..0..1..1..0..1..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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