A219404 Unmatched value maps: number of n X n binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..2 n X n array.

1, 7, 181, 14737, 4560446, 5618116265, 26219581585508, 459750729826328790

Offset: 1

Author

R. H. Hardin Nov 19 2012

Keywords

• nonn

Comments

Diagonal of A219410

Examples

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