A231218 Number of (n+1)X(7+1) 0..2 arrays with no element unequal to a strict majority of its horizontal and vertical neighbors, with values 0..2 introduced in row major order.

87, 1098, 34609, 969461, 28439115, 820418528, 23748656906, 685733582035, 19812622781057, 572302029497356, 16533962109257389, 477663753823928105, 13800046313373114629, 398691931165963350492, 11518505348614958772694

Offset: 1

Author

R. H. Hardin, Nov 05 2013

Keywords

• nonn

Comments

Column 7 of A231219

Examples

			Some solutions for n=4
..0..0..0..0..0..1..1..1....0..0..0..0..0..0..1..1....0..0..0..0..0..0..1..1
..0..0..0..0..0..1..0..0....0..0..2..2..0..0..1..1....0..0..0..0..0..0..1..1
..1..1..0..0..0..1..0..0....0..0..2..2..1..1..1..1....1..1..1..1..1..1..2..2
..1..1..0..0..1..1..2..2....1..1..2..2..1..0..0..1....1..0..0..1..1..1..2..2
..0..0..0..0..1..1..2..2....1..1..1..1..1..0..0..1....1..0..0..1..1..1..2..2
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..18