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A298772
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Number of nX5 0..1 arrays with every element equal to 1, 2, 4, 5 or 8 king-move adjacent elements, with upper left element zero.
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1
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3, 23, 47, 233, 682, 2603, 11657, 39908, 149791, 617528, 2340328, 8921969, 34929827, 135499003, 522693251, 2023538485, 7856615385, 30426642588, 117738552981, 456437251086, 1768840207859, 6850066781045, 26539738521878, 102838505746523
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OFFSET
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1,1
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COMMENTS
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Column 5 of A298775.
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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..0..0..0. .0..1..1..1..0. .0..1..1..1..0. .0..1..1..1..0
..1..0..0..0..1. .1..0..0..0..1. .1..0..0..0..1. .1..0..0..0..1
..0..1..1..1..0. .1..0..0..0..1. .1..0..0..0..1. .1..0..0..0..1
..0..1..1..1..0. .1..0..0..0..1. .1..0..0..0..1. .0..1..1..1..0
..0..1..1..1..0. .0..1..1..1..0. .0..1..1..1..0. .0..1..1..1..0
..1..0..0..0..1. .1..1..1..1..0. .1..1..1..0..1. .0..1..1..1..0
..0..1..0..0..0. .0..0..0..0..1. .0..0..1..0..1. .1..0..0..0..1
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CROSSREFS
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Cf. A298775.
Sequence in context: A146592 A107169 A297956 * A298579 A299571 A032003
Adjacent sequences: A298769 A298770 A298771 * A298773 A298774 A298775
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin, Jan 26 2018
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STATUS
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approved
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