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A281163 Number of nX6 0..1 arrays with no element equal to more than three of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. 1
0, 346, 17806, 136138, 865821, 4716420, 22796763, 102696802, 438513869, 1799338352, 7158291149, 27787053444, 105726471706, 395690330122, 1460576127556, 5328417840400, 19243721441580, 68891667482710 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A281165.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..184

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A281165.

Sequence in context: A045102 A225934 A287700 * A059074 A273805 A142907

Adjacent sequences:  A281160 A281161 A281162 * A281164 A281165 A281166

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 16 2017

STATUS

approved

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Last modified August 6 16:05 EDT 2020. Contains 336255 sequences. (Running on oeis4.)