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A223124
Number of nX6 0..2 arrays with no more than floor(nX6/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order
1
72, 27803, 11814919, 5237368607, 2373042420012, 1092037282618789, 508211382191466327, 238520879437894414568, 112687149312234784385106, 53520374688794036580881324, 25529695524353330225340120939
OFFSET
1,1
COMMENTS
Column 6 of A223126
LINKS
EXAMPLE
Some solutions for n=3
..0..0..0..1..0..2....0..0..0..1..0..2....0..0..1..0..2..1....0..0..1..0..1..0
..0..0..1..2..0..1....0..0..2..1..0..2....0..0..1..1..1..2....0..0..1..2..1..2
..2..0..1..1..2..0....2..1..1..1..0..1....2..0..2..1..0..2....1..0..0..1..1..0
CROSSREFS
Sequence in context: A157459 A159393 A151627 * A062076 A284866 A153473
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 15 2013
STATUS
approved