A218818 Unmatched value maps: number of n X n binary arrays indicating the locations of corresponding elements not equal to any king-move neighbor in a random 0..2 n X n array.

1, 11, 195, 8961, 1229783, 468783431

Offset

1,2

Links

Table of n, a(n) for n=1..6.

Example

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

Crossrefs

Diagonal of A218823.

Sequence in context: A142996 A201185 A345342 * A243646 A186251 A234628

Adjacent sequences: A218815 A218816 A218817 * A218819 A218820 A218821

Keyword

nonn

Author

R. H. Hardin, Nov 06 2012

Status

approved