OFFSET
1,1
COMMENTS
Diagonal of A253342.
EXAMPLE
Some solutions for n=3
..0..1..1..2..1....0..3..2..2..1....0..1..0..0..1....0..2..2..1..1
..2..3..1..1..1....2..3..1..2..2....1..1..0..0..0....2..2..0..2..2
..1..0..2..2..1....2..1..3..2..2....0..0..1..1..0....1..1..2..2..1
..2..1..2..1..1....2..2..2..1..2....1..0..0..0..1....2..1..2..1..2
..1..1..1..1..2....1..2..1..2..3....0..0..0..1..1....1..1..2..1..2
Knight distance matrix for n=3
..0..3..2..3..2
..3..4..1..2..3
..2..1..4..3..2
..3..2..3..2..3
..2..3..2..3..4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 30 2014
STATUS
approved