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A317695 Number of nX6 0..1 arrays with every element unequal to 0, 1, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. 1
13, 125, 220, 2742, 45681, 585418, 12414382, 278773058, 5491231349, 116715146200, 2570374849303, 54688547721331, 1172271375077821, 25454276497929618, 549001290500006632, 11830194532621287774, 255817531591774568761 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A317697.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..1..0..0. .0..0..1..0..0..1. .0..0..1..1..0..1. .0..1..0..1..1..1
..0..0..1..1..1..0. .1..0..1..0..1..1. .0..1..1..1..1..1. .0..0..0..1..0..1
..1..1..0..0..0..0. .0..0..1..0..1..1. .0..0..0..0..0..0. .1..1..1..0..1..1
..1..0..1..0..1..1. .1..1..0..1..1..0. .0..0..1..0..1..1. .0..0..0..0..1..1
..0..0..1..0..0..1. .1..0..0..1..0..0. .0..0..0..0..1..0. .1..0..0..1..0..1
CROSSREFS
Cf. A317697.
Sequence in context: A305647 A316923 A317041 * A016224 A360437 A278173
KEYWORD
nonn
AUTHOR
R. H. Hardin, Aug 04 2018
STATUS
approved

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Last modified May 29 05:22 EDT 2024. Contains 372921 sequences. (Running on oeis4.)