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A267166
Number of 5Xn arrays containing n copies of 0..5-1 with no element 1 greater than its west, southwest or northwest neighbor modulo 5 and the upper left element equal to 0.
0
24, 411, 68482, 8718817, 1305588167, 272693813849, 54755346132610
OFFSET
1,1
COMMENTS
Row 5 of A267163.
EXAMPLE
Some solutions for n=3
..0..2..2....0..4..1....0..0..2....0..4..3....0..0..3....0..2..4....0..2..1
..4..4..1....0..4..3....3..2..4....2..0..4....2..0..3....2..4..1....0..3..1
..1..4..3....0..4..2....2..1..1....3..1..4....2..4..3....2..1..3....0..4..3
..0..0..2....1..3..2....4..4..3....3..2..1....1..4..1....3..1..0....2..4..3
..1..3..3....1..3..2....0..3..1....2..1..0....1..4..2....4..3..0....2..4..1
CROSSREFS
Cf. A267163.
Sequence in context: A331931 A227750 A221619 * A016326 A287994 A072975
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 11 2016
STATUS
approved