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A299606
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Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
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1
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8, 1933, 3820, 14888, 62547, 292458, 1284100, 5779019, 26461571, 119048834, 535237156, 2425687653, 10991470354, 49744855107, 225323551043, 1020921422835, 4624691566971, 20953659416364, 94961790268613, 430383835640507
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OFFSET
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1,1
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COMMENTS
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Column 7 of A299607.
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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=6
..0..1..1..1..0..1..1. .0..1..0..0..1..1..0. .0..1..1..1..0..0..0
..0..1..0..0..0..0..0. .0..1..0..0..1..0..0. .0..1..0..0..0..1..1
..0..1..0..0..0..0..0. .0..0..0..0..0..1..1. .0..1..0..0..0..0..0
..0..0..0..0..0..1..1. .1..0..0..0..0..0..1. .0..0..0..0..0..0..0
..1..0..0..0..1..0..1. .1..0..0..0..1..0..1. .0..1..0..0..0..1..1
..0..1..0..1..0..0..1. .1..1..1..0..0..1..1. .1..0..1..0..1..0..0
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CROSSREFS
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Cf. A299607.
Sequence in context: A297992 A298845 A298652 * A302223 A302669 A302471
Adjacent sequences: A299603 A299604 A299605 * A299607 A299608 A299609
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin, Feb 14 2018
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STATUS
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approved
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