A266924 Number of 5Xn arrays containing n copies of 0..5-1 with no element 1 greater than its north, southwest or southeast neighbor modulo 5 and the upper left element equal to 0.

9, 398, 40298, 5336960, 807737754, 133402295812, 23413267755368, 4295145167713192

Offset

1,1

Comments

Row 5 of A266921.

Links

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

Example

Some solutions for n=3
..0..2..0....0..4..3....0..1..0....0..0..2....0..2..0....0..3..2....0..1..4
..3..1..4....2..1..0....2..1..3....3..2..0....0..2..3....4..2..4....4..1..3
..1..4..2....4..3..3....1..4..2....3..1..2....4..1..3....3..1..4....3..1..2
..1..3..0....4..1..0....0..3..2....3..4..4....2..1..3....1..0..2....2..3..2
..3..2..4....2..1..2....4..3..4....1..1..4....4..4..1....1..3..0....0..0..4

Crossrefs

Cf. A266921.

Sequence in context: A012191 A012078 A332139 * A157599 A063876 A063156

Adjacent sequences: A266921 A266922 A266923 * A266925 A266926 A266927

Keyword

nonn

Author

R. H. Hardin, Jan 06 2016

Status

approved