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A298651
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Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.
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1
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5, 573, 1274, 4648, 18271, 75562, 291784, 1142188, 4518674, 17656883, 69095683, 271751608, 1068599426, 4200796398, 16523613182, 65016945420, 255906018679, 1007618786294, 3968688229186, 15635494589187, 61614746058306
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OFFSET
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1,1
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COMMENTS
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Column 6 of A298653.
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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=5
..0..1..0..1..0..1. .0..1..0..1..0..1. .0..1..0..0..1..0. .0..0..1..1..0..0
..1..0..1..1..1..0. .1..0..0..0..1..1. .0..1..0..0..1..0. .1..0..1..1..0..1
..1..1..1..1..1..1. .0..0..0..0..0..0. .0..0..0..0..0..0. .1..1..1..1..1..1
..1..0..1..1..0..1. .0..1..0..0..0..0. .0..1..0..0..0..1. .0..1..1..1..0..1
..0..1..0..1..1..0. .1..0..1..0..1..1. .1..0..1..0..1..0. .1..0..1..0..1..0
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CROSSREFS
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Cf. A298653.
Sequence in context: A297821 A297991 A298844 * A299605 A185555 A093941
Adjacent sequences: A298648 A298649 A298650 * A298652 A298653 A298654
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin, Jan 24 2018
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STATUS
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approved
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