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A240628
Number of nX5 0..3 arrays with no element equal to exactly two horizontal and vertical neighbors, with new values 0..3 introduced in row major order
1
40, 16624, 7462748, 3367163455, 1519699081714, 685854075788477, 309535605539765299, 139697630796640339536, 63047448929964784303613, 28454174772679454861874697, 12841757682871155282688313826
OFFSET
1,1
COMMENTS
Column 5 of A240629
LINKS
EXAMPLE
Some solutions for n=2
..0..1..2..1..1....0..1..2..1..2....0..1..0..2..0....0..0..1..0..2
..0..1..2..0..3....3..1..0..2..1....2..2..0..1..3....3..2..3..3..2
CROSSREFS
Sequence in context: A221391 A279578 A159680 * A159390 A376744 A204682
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 09 2014
STATUS
approved