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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A239155

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..42

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: A054808 A218010 A298075 * A206234 A158775 A234986

Adjacent sequences:  A239157 A239158 A239159 * A239161 A239162 A239163

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 11 2014

STATUS

approved

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Last modified May 22 09:50 EDT 2022. Contains 353949 sequences. (Running on oeis4.)