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A300039
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Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
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1
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8, 2907, 128610, 4532025, 173419447, 6789384478, 262361247480, 10149632583491, 393165011518395, 15223417803313451, 589419698633734436, 22823105070326713081, 883732801229613846760, 34218687812298572827543
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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..1..0..1..1. .0..0..0..0..1..0..1. .0..0..1..1..1..1..0
..0..1..0..1..1..0..1. .0..1..0..1..1..0..1. .0..1..0..1..1..0..0
..0..1..0..0..0..0..0. .0..1..0..1..0..0..1. .0..1..0..0..0..0..1
..0..0..0..1..1..0..1. .0..0..0..1..0..1..0. .0..0..0..1..1..1..0
..0..0..1..1..1..1..1. .0..0..1..0..1..0..1. .0..0..1..1..1..0..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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