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A298319
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Number of nX7 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 king-move adjacent elements, with upper left element zero.
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1
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21, 203, 94, 1086, 6236, 11175, 111137, 644056, 3190955, 27151266, 182045025, 1280285105, 10257252946, 75063403838, 571967578126, 4496402709938, 34098604190424, 264284131602151, 2063855052770201, 15872082370425994
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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=7
..0..1..1..1..1..0..1. .0..1..0..0..1..0..0. .0..1..0..1..0..1..0
..1..0..1..0..0..0..0. .1..0..0..0..0..0..0. .1..1..1..1..1..1..1
..1..1..1..1..1..1..0. .1..1..1..1..1..1..1. .0..1..0..1..0..1..0
..1..1..0..0..1..1..0. .1..0..0..1..0..1..1. .1..1..1..0..0..0..1
..0..0..0..0..0..0..0. .0..1..0..0..0..0..0. .1..1..1..1..0..1..1
..1..1..1..1..1..0..1. .1..1..1..0..0..0..0. .0..0..1..1..0..1..1
..0..0..1..0..1..1..0. .0..1..0..1..0..1..1. .0..0..0..0..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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