A267203 Number of 5Xn arrays containing n copies of 0..5-1 with every element equal to or 1 greater than any north, southwest or northwest neighbors modulo 5 and the upper left element equal to 0.

1, 0, 0, 0, 1, 6, 47, 300, 1233, 3337, 7048, 15214, 43620, 224133, 1567797, 10356991, 58751450, 281746346, 1167238072, 4352934719, 15495243129, 57125652937, 236999679008, 1129723081249, 5822844270273

Offset

1,6

Comments

Row 5 of A267197.

Links

Table of n, a(n) for n=1..25.

Example

Some solutions for n=9
..0..1..1..2..2..3..3..4..4....0..1..1..1..2..2..3..4..4
..0..1..2..2..3..3..4..4..0....0..1..1..2..2..3..3..4..0
..0..1..2..2..3..3..4..0..0....0..1..1..2..3..3..4..4..0
..1..1..2..3..3..4..4..0..1....0..1..2..2..3..3..4..4..0
..1..2..2..3..4..4..0..0..1....0..1..2..2..3..3..4..4..0

Crossrefs

Cf. A267197.

Sequence in context: A267233 A027012 A160609 * A353098 A024076 A015553

Adjacent sequences: A267200 A267201 A267202 * A267204 A267205 A267206

Keyword

nonn

Author

R. H. Hardin, Jan 11 2016

Status

approved