A231757 Number of (n+1)X(n+1) 0..1 arrays with no element having a strict majority of its horizontal, diagonal and antidiagonal neighbors equal to one.

9, 136, 5041, 493695, 175642009, 216545491864, 682267982467600, 6184663140527966655, 184835030323441507989529, 17039092957711747812559207879, 4549223325244087259619117440725081

Offset: 1

Author

R. H. Hardin, Nov 13 2013

Keywords

• nonn

Comments

Diagonal of A231764

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..13