A231660 Number of nX5 0..2 arrays with no element less than a strict majority of its horizontal, vertical and antidiagonal neighbors.

51, 2163, 144465, 8300390, 434469343, 23632808750, 1304771142134, 71426776678405, 3902799543486962, 213611346097185990, 11693195116075740433, 639903225251107962333, 35018805296966170944821, 1916494358794580661283650

Offset: 1

Author

R. H. Hardin, Nov 12 2013

Keywords

• nonn

Comments

Column 5 of A231663

Examples

			Some solutions for n=3
..0..0..0..0..0....2..0..0..0..0....2..0..1..0..0....0..0..2..0..1
..1..1..0..0..1....0..0..1..0..1....0..0..0..0..0....0..1..0..0..1
..1..1..2..0..0....0..2..1..0..0....2..2..1..1..2....1..1..0..0..1
		

Links

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