A266129 Number of nX6 integer arrays with each element equal to the number of horizontal, diagonal and antidiagonal neighbors exactly one smaller than itself.

16, 625, 1959, 44623, 1285961, 13689944, 311260836, 6688962679, 100184677192, 2265417750456, 45483452144968, 770435712461338, 16815081540198455, 333162387132057777, 5991913305292420418, 126615975061832318833

Offset: 1

Author

R. H. Hardin, Dec 21 2015

Keywords

• nonn

Comments

Column 6 of A266131.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..74

Crossrefs

Cf. A266131.