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A266870
Number of 5Xn arrays containing n copies of 0..5-1 with no element 1 greater than its west or northeast neighbor modulo 5 and the upper left element equal to 0.
0
24, 2760, 530368, 132028418, 37478933496, 11567328302147, 3781726242152832, 1289651736397187033
OFFSET
1,1
COMMENTS
Row 5 of A266867.
EXAMPLE
Some solutions for n=2
..0..2....0..0....0..3....0..2....0..3....0..4....0..4....0..0....0..4....0..2
..4..2....2..4....1..0....1..3....3..2....3..3....1..1....4..2....3..2....4..1
..0..4....2..4....2..2....2..4....1..4....1..1....3..0....1..3....4..2....1..4
..1..3....3..1....4..4....4..3....2..0....0..2....4..3....3..1....1..3....3..0
..1..3....3..1....1..3....1..0....4..1....4..2....2..2....4..2....1..0....3..2
CROSSREFS
Cf. A266867.
Sequence in context: A296652 A092706 A209708 * A277003 A060902 A090444
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 04 2016
STATUS
approved