A232144 Number of (7+1)X(n+1) 0..2 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..2 introduced in row major order.

1017984, 2486611712, 5532131001812, 12719895449388800, 29309235951462780764, 67614860357164156333264, 156025607439258576501944264, 360070258575233540692634852380, 830971356266712739464545052958936

Offset: 1

Author

R. H. Hardin, Nov 19 2013

Keywords

• nonn

Comments

Row 7 of A232137

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..11