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A210275
Half the number of (n+1)X8 0..2 arrays with every 2X2 subblock having two or three distinct clockwise edge differences
1
7895856, 19537398722, 48490791961375, 120443009719061218, 299192733780770135628, 743245692531829336470460, 1846356382998737252290206762, 4586687051164609867229232781805
OFFSET
1,1
COMMENTS
Column 7 of A210276
LINKS
EXAMPLE
Some solutions for n=4
..2..0..1..2..2..1..1..1....0..2..2..0..0..1..0..1....2..1..2..1..2..2..1..2
..1..0..1..2..0..0..0..1....1..2..0..2..1..2..2..2....1..1..0..0..1..2..2..2
..0..0..2..1..1..2..2..1....1..2..1..1..1..2..1..1....2..1..1..1..1..0..0..0
..2..0..1..1..2..1..1..0....1..1..1..0..1..2..1..2....0..1..2..1..0..0..1..2
..1..0..0..1..1..2..0..0....0..1..2..1..2..1..0..1....1..1..1..0..1..0..0..2
CROSSREFS
Sequence in context: A205368 A235222 A239588 * A346029 A237338 A360905
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 19 2012
STATUS
approved