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A302882
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Number of 7Xn 0..1 arrays with every element equal to 0, 1, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
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1
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64, 86, 536, 2938, 23037, 320405, 3780984, 44148194, 588417750, 8234641702, 109042468735, 1419909251038, 19277374758266, 264983349356693, 3552177386205259, 47276138831810619, 639816255891989376
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OFFSET
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1,1
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COMMENTS
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Row 7 of A302877.
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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. .0..1..0..0..1. .0..1..0..0..1. .0..1..1..1..1
..0..1..0..1..0. .0..1..1..1..1. .0..1..0..1..0. .1..1..1..0..1
..0..1..1..1..0. .1..1..1..0..1. .1..1..0..1..0. .1..1..1..0..1
..1..0..1..1..1. .1..1..1..0..1. .0..1..0..1..1. .0..1..1..0..0
..1..0..1..1..0. .0..1..1..0..1. .0..1..0..1..0. .1..1..1..0..1
..0..1..1..0..0. .1..1..1..0..1. .0..1..0..1..0. .0..1..0..1..0
..0..1..0..1..0. .0..1..1..1..1. .0..0..0..1..0. .0..1..1..1..0
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CROSSREFS
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Cf. A302877.
Sequence in context: A303202 A302315 A303045 * A303530 A119894 A138667
Adjacent sequences: A302879 A302880 A302881 * A302883 A302884 A302885
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin, Apr 15 2018
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STATUS
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approved
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