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.

9, 435, 40727, 4947399, 697988671, 108770442228, 18142031358695, 3174426449400400, 575276677890288323

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