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A316614
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Number of n X 7 0..1 arrays with every element unequal to 0, 1, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
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1
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21, 237, 245, 1074, 4719, 17224, 65158, 261426, 990387, 3768844, 14720334, 56653017, 217036116, 839438654, 3238254715, 12452927964, 48026433042, 185228062557, 713410490056, 2749613319152, 10600692230546, 40849824445421
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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..0..0..0..1..0. .0..0..0..0..0..0..1. .0..1..1..1..1..1..1
..0..0..1..0..0..0..0. .0..0..0..0..0..0..0. .1..1..1..1..1..1..1
..0..0..0..0..0..0..0. .0..0..0..0..0..0..0. .1..1..1..1..1..1..1
..0..0..0..0..0..1..0. .0..0..0..0..0..0..1. .0..1..1..1..1..0..1
..0..0..1..0..0..0..0. .0..0..1..0..0..0..0. .0..0..1..1..1..1..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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