A231760 Number of (n+1)X(4+1) 0..1 arrays with no element having a strict majority of its horizontal, diagonal and antidiagonal neighbors equal to one.

315, 2976, 38160, 493695, 5879679, 71884125, 893571840, 10965349591, 134407778400, 1654812479232, 20352945004533, 250055045333667, 3074220674469117, 37799970801628952, 464662025973498675

Offset: 1

Author

R. H. Hardin, Nov 13 2013

Keywords

• nonn

Comments

Column 4 of A231764

Examples

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

Links

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