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A299141
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Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero.
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1
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8, 3336, 298361, 23808476, 1958821107, 161617794805, 13311860331263, 1096571119921011, 90332592148780928, 7441355378176877032, 612998553731816949526, 50497150303834130394009, 4159817600706531428357054
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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..1..0..1. .0..0..0..1..0..1..1. .0..0..0..0..0..1..1
..0..0..1..1..0..1..0. .0..0..1..0..0..0..1. .0..0..1..0..1..0..1
..0..0..0..1..1..0..1. .0..0..0..1..0..0..0. .0..0..0..1..1..0..1
..0..0..0..0..0..0..1. .0..0..0..1..1..1..1. .0..0..0..1..1..0..1
..0..0..1..1..0..0..0. .0..0..1..0..1..0..0. .0..0..1..0..1..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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