A266106 Number of 6Xn integer arrays with each element equal to the number of horizontal and antidiagonal neighbors exactly one smaller than itself.

1, 272, 3928, 26948, 457738, 12401485, 240721036, 3915407831, 72703138725, 1459414293797, 27836081746405, 518910020345998, 9822723169066292, 186833710020397058, 3546385987603510610, 67356747007063872600

Offset: 1

Author

R. H. Hardin, Dec 21 2015

Keywords

• nonn

Comments

Row 6 of A266101.

Examples

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

Links

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

Crossrefs

Cf. A266101.