A267917 Number of 6Xn 0..2 arrays with every repeated value in every row unequal to the previous repeated value, and in every column equal to the previous repeated value, and new values introduced in row-major sequential order.

88, 45938, 12017350, 3774659262, 922017784240, 235078226435316, 54141843502625776, 12518028308236272012, 2766574072615661515144

Offset

1,1

Comments

Row 6 of A267911.

Links

Table of n, a(n) for n=1..9.

Example

Some solutions for n=2
..0..1....0..1....0..0....0..0....0..1....0..1....0..1....0..0....0..1....0..1
..1..1....2..0....1..2....1..1....1..1....0..0....1..2....1..1....2..2....2..0
..0..0....2..2....2..0....0..1....1..2....0..0....0..0....0..2....0..0....1..0
..1..2....2..1....1..1....2..1....0..1....1..1....0..2....2..1....2..2....1..1
..2..1....1..0....1..0....2..2....2..1....0..0....1..1....0..0....2..2....2..2
..2..0....0..0....1..2....0..0....0..0....0..0....0..1....0..1....1..0....0..0

Crossrefs

Cf. A267911.

Sequence in context: A048919 A159718 A157460 * A093244 A079036 A159420

Adjacent sequences: A267914 A267915 A267916 * A267918 A267919 A267920

Keyword

nonn

Author

R. H. Hardin, Jan 22 2016

Status

approved