A267334 Number of 5Xn arrays containing n copies of 0..5-1 with every element equal to or 1 greater than any southwest or northwest neighbors modulo 5 and the upper left element equal to 0.

24, 0, 0, 0, 1, 30, 1929, 39176, 359300, 2137958, 8673978, 28057788, 85957339, 458944852, 5886421812, 90849742097, 1176923389969, 12082727920233, 99048629549120

Offset

1,1

Comments

Row 5 of A267328.

Links

Table of n, a(n) for n=1..19.

Example

Some solutions for n=6
..0..1..2..3..4..0....0..1..2..3..4..0....0..1..2..2..3..4....0..1..2..2..3..4
..0..1..2..3..4..0....0..1..2..3..4..4....0..1..1..2..3..4....1..1..2..3..3..4
..0..1..2..3..4..0....1..1..2..3..4..0....0..0..1..2..3..3....0..1..2..3..4..4
..1..1..2..3..4..4....1..2..2..3..4..0....4..0..1..2..3..4....0..1..2..3..4..0
..1..2..2..3..3..4....1..2..3..3..4..0....4..0..1..2..3..4....0..1..2..3..4..0

Crossrefs

Cf. A267328.

Sequence in context: A053558 A140793 A023923 * A202184 A368027 A357967

Adjacent sequences: A267331 A267332 A267333 * A267335 A267336 A267337

Keyword

nonn

Author

R. H. Hardin, Jan 13 2016

Status

approved