A267949 Number of nX4 0..2 arrays with every repeated value in every row and column one larger mod 3 than the previous repeated value, and upper left element zero.

21, 1323, 52542, 1965330, 63015581, 1919539785, 54600088140, 1497422284157, 39564274878078, 1019357844042958, 25666134197134128, 635034954062340420, 15473668537066693635, 372414770834024213537, 8868326255432266486264

Offset

1,1

Comments

Column 4 of A267952.

Links

R. H. Hardin, Table of n, a(n) for n = 1..176

Example

Some solutions for n=3
..0..0..2..1....0..2..0..0....0..2..0..0....0..1..2..2....0..0..2..1
..2..2..0..2....2..2..1..2....0..2..1..0....2..1..1..2....1..0..1..0
..2..0..0..1....2..0..1..2....1..0..2..2....1..0..2..1....1..2..0..2

Crossrefs

Cf. A267952.

Sequence in context: A036519 A219408 A250061 * A268096 A281432 A231782

Adjacent sequences: A267946 A267947 A267948 * A267950 A267951 A267952

Keyword

nonn

Author

R. H. Hardin, Jan 22 2016

Status

approved