A219416 Unmatched value maps: number of 7Xn binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..2 7Xn array

1, 1897, 326233, 27345143, 2543481662, 259468310384, 26219581585508, 2620294273035729

Offset

1,2

Comments

Row 7 of A219410

Links

Table of n, a(n) for n=1..8.

Example

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

Crossrefs

Sequence in context: A219427 A297320 A220392 * A221041 A221504 A157760

Adjacent sequences: A219413 A219414 A219415 * A219417 A219418 A219419

Keyword

nonn

Author

R. H. Hardin Nov 19 2012

Status

approved