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A298774
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Number of nX7 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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8, 99, 245, 2359, 11657, 61333, 484813, 2887678, 18497464, 127977516, 830209200, 5490680497, 36705295118, 242989778508, 1615075659957, 10732935729937, 71283281214068, 473870950797066, 3148048592750846, 20916953345403645
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OFFSET
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1,1
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COMMENTS
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Column 7 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=6
..0..1..0..0..0..0..1. .0..1..1..1..1..1..0. .0..1..0..0..0..0..1
..0..0..1..1..1..1..0. .1..0..0..0..0..0..1. .1..0..0..0..1..0..1
..0..0..1..1..1..1..0. .1..0..0..0..0..0..1. .0..1..1..1..0..0..1
..0..0..1..1..1..1..0. .1..0..0..0..0..0..1. .0..1..1..1..0..0..1
..0..0..1..1..1..1..0. .0..1..1..1..1..1..0. .0..1..1..1..0..0..1
..0..1..0..0..0..0..1. .1..0..1..1..1..1..1. .1..0..0..0..1..1..0
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CROSSREFS
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Cf. A298775.
Sequence in context: A211869 A159232 A297958 * A298581 A299573 A298395
Adjacent sequences: A298771 A298772 A298773 * A298775 A298776 A298777
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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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