A266065 Number of n X 5 integer arrays with each element equal to the number of horizontal, vertical, diagonal and antidiagonal neighbors exactly one smaller than itself.

9, 323, 809, 8262, 154939, 1066148, 11753249, 164649556, 1624261580, 18538981257, 229469667714, 2536359623435, 29278580961556, 347292039035416, 3973004685343895, 46045222804587434, 538477979319956709

Offset

1,1

Comments

Column 5 of A266067.

Links

R. H. Hardin, Table of n, a(n) for n = 1..65

Example

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

Crossrefs

Cf. A266067.

Sequence in context: A135609 A349287 A277422 * A156634 A128788 A164080

Adjacent sequences: A266062 A266063 A266064 * A266066 A266067 A266068

Keyword

nonn

Author

R. H. Hardin, Dec 20 2015

Status

approved