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A304154
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Number of nX6 0..1 arrays with every element unequal to 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.
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1
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0, 209, 464, 10182, 100942, 1100030, 12806826, 145611915, 1634366796, 18705511944, 212059052175, 2407657052300, 27373214633586, 310882017371350, 3531677134837950, 40125778624890437, 455828883517634560
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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=5
..0..1..0..1..0..1. .0..0..1..0..1..1. .0..1..0..0..1..0. .0..1..0..0..1..0
..1..0..1..0..0..1. .1..1..0..0..0..0. .1..0..0..1..1..0. .1..0..0..1..1..0
..0..1..0..1..1..1. .1..0..1..0..0..1. .0..0..1..0..1..1. .0..0..1..1..1..0
..1..1..1..1..0..0. .1..0..1..0..0..1. .1..0..1..0..1..0. .0..1..0..1..0..0
..0..0..1..0..1..1. .0..1..1..1..0..1. .1..0..0..1..1..0. .0..1..0..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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