OFFSET
1,1
COMMENTS
Row 3 of A268049.
EXAMPLE
Some solutions for n=5
..0..0..1..2..1....0..0..1..2..2....0..0..1..1..0....0..0..1..2..2
..0..0..1..0..3....0..0..1..0..3....0..0..2..0..2....0..0..1..0..1
..3..4..1..2..4....1..1..0..3..0....1..2..2..3..4....3..4..1..5..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 25 2016
STATUS
approved