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A298894
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Number of nX7 0..1 arrays with every element equal to 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
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1
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0, 34, 26, 229, 1858, 12224, 74725, 547497, 4012035, 28805843, 209118279, 1537327380, 11240705948, 82185225848, 602873376262, 4421261929905, 32410993796867, 237712768537660, 1743828733781802, 12791372365817836
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OFFSET
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1,2
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COMMENTS
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Column 7 of A298895.
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..210
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EXAMPLE
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Some solutions for n=7
..0..0..1..1..0..0..0. .0..0..0..1..1..1..1. .0..0..1..0..0..1..1
..0..1..0..0..1..1..0. .0..0..0..1..1..1..1. .0..1..1..0..0..1..1
..0..1..0..1..1..1..0. .1..1..1..1..1..1..1. .1..0..0..1..0..0..0
..0..1..0..1..0..0..0. .1..1..1..1..0..0..0. .1..1..1..1..0..0..0
..0..1..0..1..0..1..0. .1..1..1..1..0..0..0. .1..0..1..1..1..1..1
..1..0..0..1..0..1..1. .1..1..1..1..0..0..0. .1..0..0..1..1..1..1
..1..1..1..1..0..0..1. .1..1..1..1..0..0..0. .1..1..0..1..1..1..1
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CROSSREFS
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Cf. A298895.
Sequence in context: A133733 A214038 A070727 * A204632 A098023 A302209
Adjacent sequences: A298891 A298892 A298893 * A298895 A298896 A298897
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin, Jan 28 2018
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STATUS
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approved
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