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A267335
Number of 6Xn arrays containing n copies of 0..6-1 with every element equal to or 1 greater than any southwest or northwest neighbors modulo 6 and the upper left element equal to 0.
0
120, 0, 0, 0, 0, 1, 38, 8314, 552162, 14897883, 202307164, 1740883167, 9375189986, 39259985155, 135039588180, 462186051984
OFFSET
1,1
COMMENTS
Row 6 of A267328.
EXAMPLE
Some solutions for n=7
..0..1..2..3..4..5..0....0..1..2..3..4..5..0....0..0..1..1..2..3..4
..0..1..2..3..4..5..0....0..1..2..3..4..5..0....5..0..1..2..2..3..4
..1..1..2..3..4..5..0....1..1..2..3..4..5..0....5..0..1..2..3..3..4
..1..2..2..3..4..5..0....1..2..2..3..4..5..5....5..0..1..2..3..4..4
..1..2..3..3..4..5..0....1..2..3..3..4..5..0....5..0..1..2..3..4..5
..1..2..3..4..4..5..5....1..2..3..4..4..5..0....5..0..1..2..3..4..5
CROSSREFS
Cf. A267328.
Sequence in context: A349429 A196429 A243779 * A357968 A156415 A073836
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 13 2016
STATUS
approved