A231767 Number of (3+1)X(n+1) 0..1 arrays with no element having a strict majority of its horizontal, diagonal and antidiagonal neighbors equal to one.

36, 660, 5041, 38160, 356409, 3453471, 30958096, 275036364, 2497000900, 22773363171, 206128712196, 1863472732275, 16885039757881, 153067510948440, 1386533696771344, 12557954163081200, 113765768465994225

Offset: 1

Author

R. H. Hardin, Nov 13 2013

Keywords

• nonn

Comments

Row 3 of A231764

Examples

			Some solutions for n=4
..1..0..0..1..0....0..0..0..0..0....0..0..1..0..0....0..1..1..1..0
..0..0..1..0..1....0..0..1..1..1....1..0..0..0..1....1..0..0..0..0
..0..0..0..0..0....1..0..0..0..0....0..1..0..0..0....0..0..1..0..0
..0..0..1..0..0....0..0..0..0..0....1..0..1..1..1....0..1..1..1..0
		

Links

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