login
A267204
Number of 6Xn arrays containing n copies of 0..6-1 with every element equal to or 1 greater than any north, southwest or northwest neighbors modulo 6 and the upper left element equal to 0.
0
1, 0, 0, 0, 0, 1, 7, 92, 1152, 9087, 44525, 149501, 382787, 893920, 2164458, 6927881, 49712828, 546657345, 5768069656, 51400505702
OFFSET
1,7
COMMENTS
Row 6 of A267197.
EXAMPLE
Some solutions for n=10
..0..0..1..1..2..3..3..4..4..5....0..1..2..2..3..3..4..5..0..0
..0..0..1..1..2..3..4..4..5..5....1..1..2..3..3..4..4..5..0..1
..0..1..1..2..2..3..4..4..5..5....1..2..2..3..4..4..5..5..0..1
..0..1..2..2..2..3..4..4..5..0....2..2..3..3..4..5..5..5..0..1
..0..1..2..2..3..3..4..5..5..0....2..2..3..4..4..5..5..0..0..1
..1..1..2..3..3..3..4..5..5..0....2..3..3..4..4..5..0..0..1..1
CROSSREFS
Cf. A267197.
Sequence in context: A282041 A027955 A124654 * A367158 A278687 A292227
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 11 2016
STATUS
approved