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A239160
Number of (7+1)X(n+1) 0..3 arrays with no element equal to all horizontal neighbors or unequal to all vertical neighbors, and new values 0..3 introduced in row major order
1
1639, 166531, 63961519, 18120156500, 5469574400477, 1628795409782566, 486439997897622259, 145186363056322713567, 43339017958528994310740, 12936602480737955657135546, 3861570524893536530703944116
OFFSET
1,1
COMMENTS
Row 7 of A239155
LINKS
EXAMPLE
Some solutions for n=2
..0..1..0....0..1..0....0..1..2....0..1..2....0..1..2....0..1..0....0..1..0
..0..1..0....0..1..0....0..1..2....0..1..2....0..1..2....0..1..0....0..1..0
..2..1..3....2..1..0....0..1..0....0..1..0....0..1..2....2..1..0....1..0..2
..2..0..3....2..1..2....2..1..0....0..1..0....1..3..2....2..1..3....1..0..2
..1..0..3....1..0..2....2..1..0....2..1..3....1..3..2....3..0..3....1..2..0
..1..3..1....1..0..2....0..3..0....2..1..3....3..2..1....3..0..3....3..2..0
..1..3..1....3..0..1....0..3..2....1..2..1....3..2..1....1..2..0....3..1..2
..1..3..1....3..0..1....0..3..2....1..2..1....3..2..1....1..2..0....3..1..2
CROSSREFS
Sequence in context: A218010 A298075 A362405 * A206234 A158775 A234986
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 11 2014
STATUS
approved