A231266 Number of (4+1)X(n+1) 0..2 arrays with no element unequal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..2 introduced in row major order.

86, 547, 2982, 19503, 126851, 866396, 5921588, 40973953, 283765581, 1972122444, 13710377266, 95395947525, 663770545015, 4619277813951, 32145505935933, 223706188296535, 1556796061665136, 10833978133171498, 75395132198062729

Offset: 1

Author

R. H. Hardin, Nov 06 2013

Keywords

• nonn

Comments

Row 4 of A231263

Examples

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

Links

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