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A282228 Number of nX4 0..2 arrays with no element equal to more than four of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. 1
0, 0, 9506, 1077872, 107299718, 9825363032, 858207069508, 72625487040016, 6007728913623056, 488523634696859056, 39196259623189234184, 3111246267613100340408, 244789484044223612860832 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Column 4 of A282230.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..78

EXAMPLE

Some solutions for n=3

..0..1..0..2. .0..1..1..0. .0..0..1..0. .0..0..1..2. .0..1..0..2

..0..0..0..2. .2..0..0..2. .0..0..2..1. .1..2..2..2. .0..0..0..2

..0..2..0..1. .2..0..0..0. .0..1..0..0. .0..2..0..2. .0..1..0..0

CROSSREFS

Cf. A282230.

Sequence in context: A235424 A235420 A236281 * A084687 A086083 A202613

Adjacent sequences:  A282225 A282226 A282227 * A282229 A282230 A282231

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 09 2017

STATUS

approved

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Last modified July 23 12:19 EDT 2021. Contains 346259 sequences. (Running on oeis4.)