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A266294 Number of 5Xn arrays containing n copies of 0..5-1 with no element 1 greater than its north, west or northeast neighbor modulo 5 and the upper left element equal to 0. 0
9, 435, 40727, 4947399, 697988671, 108770442228, 18142031358695, 3174426449400400, 575276677890288323 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A266291.

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions for n=3

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

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

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

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

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

CROSSREFS

Cf. A266291.

Sequence in context: A156092 A092813 A242280 * A273889 A167720 A287102

Adjacent sequences:  A266291 A266292 A266293 * A266295 A266296 A266297

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 26 2015

STATUS

approved

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Last modified August 11 06:25 EDT 2020. Contains 336422 sequences. (Running on oeis4.)