A231768 Number of (4+1)X(n+1) 0..1 arrays with no element having a strict majority of its horizontal, diagonal and antidiagonal neighbors equal to one.

81, 3213, 40000, 493695, 8231161, 143424652, 2217939025, 34022084475, 540272041024, 8624998783485, 135974699750761, 2140797614249280, 33837345338388601, 535135681749071815, 8451720496022804100

Offset: 1

Author

R. H. Hardin, Nov 13 2013

Keywords

• nonn

Comments

Row 4 of A231764

Examples

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

Links

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