A183372 Number of nX5 binary arrays with no element equal to the mod 3 sum of its diagonal and antidiagonal neighbors.

1, 16, 30, 64, 195, 625, 2580, 8836, 34903, 148996, 629880, 2722500, 12034106, 53304601, 238715100, 1069617025, 4811385635, 21685802121, 97859055714, 441832737025, 1996456911552, 9023583429184, 40798463142960, 184481127958689

Offset: 1

Author

R. H. Hardin Jan 04 2011

Keywords

• nonn

Comments

Column 5 of A183374

Examples

			Some solutions for 7X5
..1..1..0..1..0....0..0..1..0..0....0..0..0..1..1....0..0..0..1..0
..0..0..0..1..0....0..1..1..1..0....1..1..0..0..0....0..1..1..1..1
..1..0..0..0..0....0..1..1..1..0....1..0..1..0..0....0..1..0..1..0
..0..0..1..1..0....1..0..0..0..1....0..1..1..1..0....1..0..0..0..1
..0..1..0..1..0....1..1..0..1..0....1..1..0..1..1....1..1..1..1..1
..0..1..1..0..1....0..0..1..1..1....1..1..1..1..0....0..0..1..0..0
..0..0..0..1..1....1..0..0..1..0....0..1..1..0..0....1..0..1..0..1
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..200