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A268012
Number of 3Xn 0..n arrays with every repeated value in every row and column unequal to the previous repeated value, and new values introduced in row-major sequential order.
0
3, 96, 7445, 1396408, 454238345, 231327070236, 169569975455042, 169395686166997667, 221468092160400373173, 367444512792822698032517
OFFSET
1,1
COMMENTS
Row 3 of A268009.
EXAMPLE
Some solutions for n=3
..0..1..2....0..0..1....0..1..2....0..1..2....0..1..2....0..1..1....0..1..2
..0..1..0....2..2..1....2..0..3....1..1..0....0..0..2....1..2..2....2..3..0
..2..0..3....2..0..0....0..2..2....0..2..3....3..1..1....1..0..3....2..1..3
CROSSREFS
Cf. A268009.
Sequence in context: A300686 A300609 A301351 * A268181 A030262 A107173
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 24 2016
STATUS
approved