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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A267425.

LINKS

Table of n, a(n) for n=1..20.

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

Adjacent sequences:  A267426 A267427 A267428 * A267430 A267431 A267432

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 14 2016

STATUS

approved

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Last modified August 17 00:01 EDT 2022. Contains 356180 sequences. (Running on oeis4.)