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A298726
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Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.
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1
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1, 130, 119, 712, 3676, 16320, 76983, 380106, 1892587, 9597169, 48598454, 246246047, 1246714439, 6319048613, 32032228345, 162468899792, 824193865328, 4181860443550, 21218926355643, 107671599941726, 546370612376581
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OFFSET
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1,2
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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..0..0..0..1..1..1. .0..0..1..1..1..0..0. .0..0..0..1..1..1..1
..0..1..1..0..1..1..1. .0..1..0..0..0..1..0. .0..0..0..1..0..0..1
..1..0..1..0..1..1..1. .0..1..1..1..1..1..0. .0..0..0..1..0..1..0
..1..0..1..0..0..0..0. .1..0..0..0..0..0..0. .0..0..0..1..1..0..0
..0..1..0..1..1..1..0. .1..1..0..1..1..1..1. .0..0..0..1..0..1..0
..1..0..0..0..1..0..1. .0..0..0..1..1..1..1. .0..0..0..1..0..1..0
..1..1..1..1..0..1..1. .0..1..0..1..1..1..1. .0..0..0..1..1..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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