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A267962
Number of nX3 0..2 arrays with every repeated value in every row and column greater than the previous repeated value.
1
24, 576, 9750, 157182, 2253828, 30649446, 392792334, 4834114074, 57285557832, 658558589712, 7367813384346, 80528684687118, 861990117512832, 9057816965527086, 93605798560795056, 952894000040209068
OFFSET
1,1
COMMENTS
Column 3 of A267966.
FORMULA
Empirical recurrence of order 60 (see link above)
EXAMPLE
Some solutions for n=4
..2..0..0....0..2..1....0..2..1....1..2..0....0..0..1....0..0..2....0..1..0
..0..1..1....2..0..2....2..2..0....0..2..1....2..1..1....2..0..1....2..0..1
..2..0..2....0..2..1....2..1..0....1..1..0....1..0..0....0..2..0....1..2..2
..0..1..0....1..2..1....0..0..2....2..0..0....1..0..1....2..1..0....1..1..0
CROSSREFS
Cf. A267966.
Sequence in context: A207085 A207179 A188750 * A188870 A171298 A268027
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 22 2016
STATUS
approved