A267962 Number of nX3 0..2 arrays with every repeated value in every row and column greater than the previous repeated value.

24, 576, 9750, 157182, 2253828, 30649446, 392792334, 4834114074, 57285557832, 658558589712, 7367813384346, 80528684687118, 861990117512832, 9057816965527086, 93605798560795056, 952894000040209068

Offset

1,1

Comments

Column 3 of A267966.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

R. H. Hardin, Empirical recurrence of order 60

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

Adjacent sequences: A267959 A267960 A267961 * A267963 A267964 A267965

Keyword

nonn

Author

R. H. Hardin, Jan 22 2016

Status

approved