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A298839
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Number of nX6 0..1 arrays with every element equal to 2, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.
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1
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0, 41, 513, 7322, 242872, 5918418, 160441457, 4287985074, 114829835558, 3085289326902, 82801989921924, 2223892344859142, 59722476102921078, 1603938095913408003, 43076775918779371087, 1156907815094072294324
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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=4
..0..1..1..0..0..0. .0..0..0..1..0..0. .0..0..0..1..1..1. .0..0..0..0..0..0
..0..0..1..0..0..0. .0..0..0..1..1..0. .0..1..0..1..1..1. .0..0..0..0..0..0
..0..1..1..0..0..0. .0..0..0..1..1..0. .1..1..0..1..1..1. .0..0..0..0..0..0
..0..0..1..0..0..0. .0..0..0..1..0..0. .1..0..0..1..1..1. .0..0..0..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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