login
A222917
Number of nX6 0..2 arrays with exactly floor(nX6/2) elements equal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..2 order
0
16, 3972, 356398, 27663713, 2133576918, 165904381397, 13105585711754, 1050919351971302, 85401044148714188
OFFSET
1,1
COMMENTS
Column 6 of A222918
EXAMPLE
Some solutions for n=3
..0..0..1..2..0..1....0..1..2..1..0..2....0..1..1..2..0..2....0..1..2..0..1..2
..2..2..2..1..2..2....1..0..1..1..1..0....1..0..0..1..1..0....1..0..1..2..0..1
..0..1..0..2..0..1....1..2..1..1..2..1....2..1..2..0..2..2....2..2..2..2..0..2
CROSSREFS
Sequence in context: A375121 A087519 A367535 * A060616 A297387 A016936
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 09 2013
STATUS
approved