A183370 Number of nX3 binary arrays with no element equal to the mod 3 sum of its diagonal and antidiagonal neighbors.

1, 4, 6, 16, 30, 64, 165, 361, 875, 2116, 5460, 13924, 36720, 97344, 266895, 727609, 2029885, 5654884, 16014834, 45265984, 129279458, 368947264, 1060159545, 3044280625, 8779570735, 25310900836, 73171312896, 211476737956, 612259440564

Offset: 1

Author

R. H. Hardin Jan 04 2011

Keywords

• nonn

Comments

Column 3 of A183374

Examples

			Some solutions for 5X3
..0..1..0....1..1..1....0..0..0....1..0..1....1..0..1....0..1..0....1..0..1
..1..1..1....0..0..0....1..1..1....1..0..1....1..0..1....1..1..1....1..0..1
..0..1..0....1..1..1....0..0..0....0..0..0....1..0..1....1..1..1....0..0..0
..0..0..0....1..0..1....1..0..1....0..1..0....0..0..0....0..1..0....1..1..1
..1..1..1....1..1..1....1..0..1....0..1..0....1..1..1....0..1..0....0..0..0
		

Links

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