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A266294
Number of 5Xn arrays containing n copies of 0..5-1 with no element 1 greater than its north, west or northeast neighbor modulo 5 and the upper left element equal to 0.
0
9, 435, 40727, 4947399, 697988671, 108770442228, 18142031358695, 3174426449400400, 575276677890288323
OFFSET
1,1
COMMENTS
Row 5 of A266291.
EXAMPLE
Some solutions for n=3
..0..2..1....0..0..2....0..0..3....0..4..3....0..2..0....0..4..2....0..4..3
..0..0..4....0..4..2....4..2..1....3..3..2....2..0..3....2..4..1....3..2..2
..4..4..3....2..1..1....2..0..3....0..0..4....4..2..1....2..4..1....0..4..1
..1..3..2....4..1..4....4..2..1....4..2..1....4..4..1....1..3..0....3..1..0
..3..2..1....3..3..3....1..4..3....2..1..1....3..3..1....0..3..3....1..4..2
CROSSREFS
Cf. A266291.
Sequence in context: A156092 A092813 A242280 * A273889 A167720 A287102
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 26 2015
STATUS
approved