A219005 Unmatched value maps: number of 4Xn binary arrays indicating the locations of corresponding elements not equal to any horizontal, diagonal or antidiagonal neighbor in a random 0..2 4Xn array.

1, 126, 2374, 31857, 462668, 7027671, 105807897, 1583929029, 23732266546, 355842741628, 5335066750849

Offset: 1

Author

R. H. Hardin Nov 09 2012

Keywords

• nonn

Comments

Row 4 of A219002

Examples

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