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A282439
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Number of nX6 0..1 arrays with no 1 equal to more than three of its king-move neighbors, with the exception of exactly one element.
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1
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0, 280, 50962, 2129756, 98841792, 4309285780, 177265299282, 7188315304848, 285685036982550, 11185860279693232, 433247722292141736, 16623020006704694792, 632889808390369905646, 23940012420901856832580
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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=3
..0..0..0..1..1..1. .0..0..1..0..1..1. .0..1..0..0..0..0. .0..0..0..1..0..1
..1..0..1..0..1..0. .0..1..1..1..0..0. .0..1..1..1..0..1. .0..1..1..0..1..1
..1..1..0..0..1..0. .0..1..0..0..0..1. .0..0..1..0..1..0. .0..1..1..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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