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A317609 Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. 1
32, 284, 1413, 13134, 161091, 1624676, 17100005, 193630364, 2178634452, 24423354992, 278641884780, 3190382356493, 36484892756238, 419094326168765, 4820507477101129, 55440074812589166, 638406529075964676 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A317611.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=5

..0..1..1..0..1..0. .0..1..0..0..0..0. .0..1..0..1..1..1. .0..1..0..1..0..0

..0..1..1..1..0..0. .0..0..0..0..0..0. .0..0..1..1..1..0. .0..0..0..0..0..0

..0..0..1..1..1..0. .0..0..0..0..0..1. .1..0..1..0..1..1. .0..0..0..0..0..0

..1..0..1..1..0..0. .1..0..0..0..0..1. .1..0..1..1..1..1. .0..1..1..0..0..1

..0..1..1..1..0..0. .0..0..0..0..0..0. .1..1..0..1..1..1. .0..0..0..0..0..1

CROSSREFS

Cf. A317611.

Sequence in context: A305909 A317151 A316881 * A251782 A267324 A197523

Adjacent sequences:  A317606 A317607 A317608 * A317610 A317611 A317612

KEYWORD

nonn

AUTHOR

R. H. Hardin, Aug 01 2018

STATUS

approved

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Last modified December 9 22:27 EST 2019. Contains 329880 sequences. (Running on oeis4.)