A268425 Number of 5Xn 0..3 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.

44, 34195, 22309009, 15615613747, 10053286458091, 6434348326690233, 3993182343091351469, 2446591845328690229717

Offset: 1

Author

R. H. Hardin, Feb 04 2016

Keywords

• nonn

Comments

Row 5 of A268423.

Examples

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

Crossrefs

Cf. A268423.