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A266856
Number of 5Xn arrays containing n copies of 0..5-1 with no element 1 greater than its north, west, northeast or southeast neighbor modulo 5 and the upper left element equal to 0.
0
9, 171, 6850, 394483, 27063372, 2049888834, 166268382626, 14184962456915, 1257999144342263
OFFSET
1,1
COMMENTS
Row 5 of A266854.
EXAMPLE
Some solutions for n=3
..0..3..2....0..3..3....0..3..2....0..3..0....0..3..0....0..3..1....0..3..3
..2..1..4....2..2..1....2..2..1....2..0..4....2..2..0....0..0..4....3..1..0
..0..3..3....2..4..4....0..4..3....4..2..2....4..4..2....2..2..1....1..0..4
..2..1..0....4..3..1....3..1..1....1..1..4....3..1..4....1..4..3....4..2..2
..1..4..4....1..0..0....0..4..4....1..3..3....1..1..3....4..3..2....1..4..2
CROSSREFS
Cf. A266854.
Sequence in context: A132897 A238466 A049212 * A141441 A225813 A357348
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 04 2016
STATUS
approved