A266105 Number of 5Xn integer arrays with each element equal to the number of horizontal and antidiagonal neighbors exactly one smaller than itself.

1, 105, 1012, 4893, 53442, 841668, 9880139, 100419691, 1161577640, 14330198186, 167677854928, 1911970639884, 22299927996030, 263303415557409, 3080790433186207, 35842524252682997, 418663357107133083

Offset: 1

Author

R. H. Hardin, Dec 21 2015

Keywords

• nonn

Comments

Row 5 of A266101.

Examples

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

Links

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

Crossrefs

Cf. A266101.