login
A220970
Equals one maps: number of n X n binary arrays indicating the locations of corresponding elements equal to exactly one of their king-move neighbors in a random 0..1 n X n array
0
1, 2, 94, 1972, 106532, 15607340, 4659594557
OFFSET
1,2
COMMENTS
Diagonal of A220977
EXAMPLE
Some solutions for n=3
..0..0..0....0..0..0....1..0..0....0..0..1....0..0..1....0..0..1....0..0..1
..1..0..0....0..0..0....0..0..1....0..0..0....0..0..1....0..1..0....0..0..0
..1..0..1....1..0..0....1..0..1....1..0..0....1..0..1....0..0..0....0..0..0
CROSSREFS
Sequence in context: A363017 A158980 A343457 * A302577 A346654 A324165
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 27 2012
STATUS
approved