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A267659 Number of 7Xn arrays containing n copies of 0..7-1 with every element equal to or 1 greater than any north or southwest neighbors modulo 7 and the upper left element equal to 0. 0
1, 3, 17, 203, 7672, 201362, 3562990, 52241496, 855234512, 19809675462 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 7 of A267655.

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=5

..0..2..3..4..5....0..1..2..4..5....0..2..3..4..5....0..2..3..4..5

..1..2..4..5..6....0..2..3..4..5....1..2..3..5..6....1..2..4..5..6

..2..3..5..6..0....1..2..3..5..6....2..2..4..6..0....2..3..4..6..0

..2..4..5..6..0....2..3..4..6..0....2..3..5..6..0....2..3..5..6..1

..3..4..6..0..1....3..4..5..0..1....3..4..5..6..1....3..4..6..0..1

..3..5..0..1..2....3..5..6..0..1....3..4..6..0..1....3..5..6..0..1

..4..6..1..1..3....4..6..6..1..2....4..5..0..1..1....4..5..0..1..2

CROSSREFS

Cf. A267655.

Sequence in context: A133991 A210898 A009494 * A075271 A194925 A072350

Adjacent sequences:  A267656 A267657 A267658 * A267660 A267661 A267662

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 19 2016

STATUS

approved

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Last modified May 27 02:07 EDT 2022. Contains 354092 sequences. (Running on oeis4.)