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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
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
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 09 2017
STATUS
approved

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Last modified February 24 08:44 EST 2024. Contains 370294 sequences. (Running on oeis4.)