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A267745
Number of 6Xn arrays containing n copies of 0..6-1 with every element equal to or 1 greater than any west or northeast neighbors modulo 6 and the upper left element equal to 0.
0
120, 7, 82, 502, 4997, 55105, 649089, 7866419, 97477205, 1225988750, 15661687539, 203901398624
OFFSET
1,1
COMMENTS
Row 6 of A267742.
EXAMPLE
Some solutions for n=4
..0..1..2..3....0..0..0..1....0..0..1..2....0..1..2..3....0..1..1..1
..1..2..3..4....0..1..1..2....1..2..3..4....1..2..3..3....1..2..2..2
..2..3..4..5....1..2..2..2....2..3..4..5....3..4..4..4....2..3..3..4
..4..4..5..5....3..3..3..4....3..4..5..5....4..5..5..0....3..3..4..4
..5..0..0..1....3..4..4..5....4..5..0..1....5..5..0..1....4..5..5..5
..0..1..2..3....4..5..5..5....0..1..2..3....0..1..2..2....5..0..0..0
CROSSREFS
Cf. A267742.
Sequence in context: A062829 A163598 A062690 * A267025 A127148 A228746
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 20 2016
STATUS
approved