OFFSET
1,1
COMMENTS
Column 2 of A232763
EXAMPLE
Some solutions for n=2
..3..3..1....2..3..0....2..2..0....0..2..0....1..1..0....1..1..0....1..1..1
..0..0..2....2..0..2....2..0..3....1..0..2....2..1..2....2..3..1....2..1..2
..2..2..3....2..3..3....1..3..3....0..2..3....0..2..2....1..1..3....0..2..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 29 2013
STATUS
approved