A266856 Number of 5Xn arrays containing n copies of 0..5-1 with no element 1 greater than its north, west, northeast or southeast neighbor modulo 5 and the upper left element equal to 0.

9, 171, 6850, 394483, 27063372, 2049888834, 166268382626, 14184962456915, 1257999144342263

Offset

1,1

Comments

Row 5 of A266854.

Links

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

Example

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

Crossrefs

Cf. A266854.

Sequence in context: A132897 A238466 A049212 * A141441 A225813 A357348

Adjacent sequences: A266853 A266854 A266855 * A266857 A266858 A266859

Keyword

nonn

Author

R. H. Hardin, Jan 04 2016

Status

approved