A266634 Number of 5 X n arrays containing n copies of 0..5-1 with no element 1 greater than its north, west, southeast or southwest neighbor modulo 5 and the upper left element equal to 0.

9, 139, 6342, 388863, 27063372, 2069073259, 169567752136, 14608129152756

Offset

1,1

Comments

Row 5 of A266632.

Links

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

Example

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

Crossrefs

Cf. A266632.

Sequence in context: A243673 A364941 A294117 * A092652 A137051 A137059

Adjacent sequences: A266631 A266632 A266633 * A266635 A266636 A266637

Keyword

nonn

Author

R. H. Hardin, Jan 01 2016

Status

approved