A266059 Number of 5Xn integer arrays with each element equal to the number of horizontal and antidiagonal neighbors less than or equal to itself.

1, 819, 120, 41919, 27764427, 1550545435, 117167373425, 15587739999833, 1943173605444535, 208126602248667993, 22518608197762742166, 2535857557129176298847, 285358444796155891907361

Offset

1,2

Comments

Row 5 of A266055.

Links

R. H. Hardin, Table of n, a(n) for n = 1..164

Example

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

Crossrefs

Cf. A266055.

Sequence in context: A221748 A105989 A332181 * A356414 A020445 A356416

Adjacent sequences: A266056 A266057 A266058 * A266060 A266061 A266062

Keyword

nonn

Author

R. H. Hardin, Dec 20 2015

Status

approved