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A267286 Number of 6Xn arrays containing n copies of 0..6-1 with every element equal to or 1 greater than any southwest or northwest neighbors modulo 6 and the upper left element equal to 0. 0
120, 2, 3, 317, 6240, 69265, 663855, 12954512, 466131976, 13687472182, 278976573772 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 6 of A267278.

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

CROSSREFS

Cf. A267278.

Sequence in context: A326798 A090217 A267570 * A062829 A163598 A062690

Adjacent sequences:  A267283 A267284 A267285 * A267287 A267288 A267289

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 12 2016

STATUS

approved

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Last modified September 28 07:38 EDT 2020. Contains 337394 sequences. (Running on oeis4.)