A266022 Number of nX5 integer arrays with each element equal to the number of horizontal, vertical and antidiagonal neighbors exactly one smaller than itself.

9, 99, 316, 3796, 39064, 336357, 3254726, 31035211, 292685424, 2799525337, 26595754073, 253049304865, 2411701918670, 22950798550179, 218539972439888, 2081095747834009, 19814659576096763, 188682858931600792

Offset: 1

Author

R. H. Hardin, Dec 20 2015

Keywords

• nonn

Comments

Column 5 of A266025.

Examples

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

Links

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

Crossrefs

Cf. A266025.