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A266889 Number of 5Xn arrays containing n copies of 0..5-1 with no element 1 greater than its north, northeast or northwest neighbor modulo 5 and the upper left element equal to 0. 0
9, 525, 52149, 7517433, 1305588167, 253772079771, 53017222883467, 11639090021203169 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A266886.

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

Some solutions for n=3

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

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

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

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

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

CROSSREFS

Cf. A266886.

Sequence in context: A003398 A015508 A281800 * A054608 A269661 A287043

Adjacent sequences:  A266886 A266887 A266888 * A266890 A266891 A266892

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 05 2016

STATUS

approved

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Last modified August 19 06:22 EDT 2022. Contains 356216 sequences. (Running on oeis4.)