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A267025 Number of 6Xn arrays containing n copies of 0..6-1 with every element equal to or 1 greater than any northeast or northwest neighbors modulo 6 and the upper left element equal to 0. 0
120, 15, 37, 537, 5493, 69265, 912057, 13122646, 193577805, 2965487933, 46310466234 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 6 of A267019.

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

CROSSREFS

Cf. A267019.

Sequence in context: A163598 A062690 A267745 * A127148 A228746 A051727

Adjacent sequences:  A267022 A267023 A267024 * A267026 A267027 A267028

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 09 2016

STATUS

approved

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Last modified October 25 11:29 EDT 2021. Contains 348251 sequences. (Running on oeis4.)