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A267429
Number of 7Xn arrays containing n copies of 0..7-1 with every element equal to or 1 greater than any west, northeast or northwest neighbors modulo 7 and the upper left element equal to 0.
0
720, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 34, 701, 19074, 522450, 11762912, 217691742, 3402077276
OFFSET
1,1
COMMENTS
Row 7 of A267425.
EXAMPLE
A solution for n=15
..0..0..1..1..2..2..2..3..3..4..4..5..5..6..6
..0..1..1..2..2..2..3..3..4..4..5..5..6..6..0
..1..1..2..2..3..3..3..4..4..5..5..6..6..0..0
..2..2..2..3..3..4..4..4..5..5..6..6..0..0..1
..2..2..3..3..4..4..5..5..5..6..6..0..0..1..1
..2..3..3..4..4..5..5..6..6..6..0..0..1..1..1
..3..3..4..4..5..5..6..6..0..0..0..1..1..1..2
CROSSREFS
Cf. A267425.
Sequence in context: A269124 A267336 A167984 * A317660 A267571 A267287
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 14 2016
STATUS
approved