A266100 Number of nX7 integer arrays with each element equal to the number of horizontal and antidiagonal neighbors exactly one smaller than itself.

25, 680, 16103, 371130, 9880139, 240721036, 6206090116, 154469020054, 3932140956510, 98694163378141, 2499180663254917, 62938133863924662, 1590417698133685623, 40104786316082042055, 1012607062750588012145

Offset: 1

Author

R. H. Hardin, Dec 21 2015

Keywords

• nonn

Comments

Column 7 of A266101.

Examples

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

Links

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

Crossrefs

Cf. A266101.