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

1,2

Comments

Diagonal of A219410

Links

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

Example

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

Crossrefs

Sequence in context: A080484 A212944 A068339 * A202026 A302904 A059382

Adjacent sequences: A219401 A219402 A219403 * A219405 A219406 A219407

Keyword

nonn

Author

R. H. Hardin Nov 19 2012

Status

approved