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A281343 Number of nX7 0..1 arrays with no element equal to more than three of its king-move neighbors and with new values introduced in order 0 sequentially upwards. 1
64, 3281, 4355, 18189, 60540, 198619, 639142, 2039214, 6489813, 20683647, 65987467, 210970521, 675532316, 2165041339, 6942289440, 22270716585, 71468916039, 229423662632, 736691206279, 2366141286606, 7601378517849 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A281344.

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A281344.

Sequence in context: A181249 A260857 A183814 * A298286 A299358 A299179

Adjacent sequences:  A281340 A281341 A281342 * A281344 A281345 A281346

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 20 2017

STATUS

approved

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Last modified July 20 12:33 EDT 2019. Contains 325180 sequences. (Running on oeis4.)