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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.
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.
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
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 13 2016
STATUS
approved