A267075 Number of 5 X n arrays containing n copies of 0..5-1 with no element 1 greater than its west or southwest neighbor modulo 5 and the upper left element equal to 0.

24, 1949, 437427, 109852687, 31745527110, 10164842993183, 3403660237562970, 1178589354229916424

Offset

1,1

Comments

Row 5 of A267072.

Links

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

Example

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

Crossrefs

Cf. A267072.

Sequence in context: A328126 A225220 A262010 * A263605 A327197 A194472

Adjacent sequences: A267072 A267073 A267074 * A267076 A267077 A267078

Keyword

nonn

Author

R. H. Hardin, Jan 10 2016

Status

approved