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A267400 Number of 7Xn arrays containing n copies of 0..7-1 with every element equal to or 1 greater than any north, west or northeast neighbors modulo 7 and the upper left element equal to 0. 0
1, 2, 5, 12, 36, 135, 649, 4277, 38879, 451730, 5950744, 80445962, 1059841613, 13339486516 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 7 of A267392.

LINKS

Table of n, a(n) for n=1..14.

EXAMPLE

Some solutions for n=4

..0..0..0..1....0..0..0..0....0..1..2..3....0..1..2..2....0..1..1..2

..1..1..1..2....1..1..1..1....1..2..3..4....1..2..3..3....1..1..2..3

..2..2..2..3....2..2..2..2....2..3..4..5....2..3..4..4....2..2..3..4

..3..3..3..4....3..3..3..3....3..4..5..6....3..4..5..5....3..3..4..5

..4..4..4..5....4..4..4..4....4..5..6..0....4..5..6..6....4..4..5..6

..5..5..5..6....5..5..5..5....5..6..0..1....5..6..0..0....5..5..6..0

..6..6..6..0....6..6..6..6....6..0..1..2....6..0..1..1....6..6..0..0

CROSSREFS

Cf. A267392.

Sequence in context: A267397 A267398 A267399 * A052302 A280275 A009598

Adjacent sequences:  A267397 A267398 A267399 * A267401 A267402 A267403

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 13 2016

STATUS

approved

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Last modified December 10 15:09 EST 2019. Contains 329896 sequences. (Running on oeis4.)