A267749 Number of nX4 arrays of permutations of 4 copies of 0..n-1 with every element equal to or 1 greater than any north neighbor modulo n and the upper left element equal to 0.

1, 35, 357, 2386, 13451, 68151, 314491, 1381976, 5796165, 23520067, 92980625

Offset: 1

Author

R. H. Hardin, Jan 20 2016

Keywords

• nonn

Comments

Column 4 of A267751.

Examples

			Some solutions for n=4
..0..3..2..0....0..0..1..3....0..1..0..3....0..1..3..2....0..0..3..2
..1..3..3..1....1..1..2..3....1..1..0..3....0..1..3..3....1..1..3..2
..2..0..3..1....2..1..3..3....2..2..0..3....1..2..3..0....1..2..3..3
..2..1..0..2....2..2..0..0....2..2..1..3....2..2..0..1....1..2..0..0
		

Crossrefs

Cf. A267751.