A231380 Number of nX6 0..1 arrays with no element less than a strict majority of its horizontal and vertical neighbors.

21, 261, 6126, 120124, 2547810, 54485279, 1157805351, 24615811883, 523548909308, 11133382117666, 236751472446562, 5034642562404119, 107064153494511600, 2276766498890520783, 48416455811053263714, 1029597712238409457187

Offset: 1

Author

R. H. Hardin, Nov 08 2013

Keywords

• nonn

Comments

Column 6 of A231382

Examples

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

Links

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