OFFSET
1,1
COMMENTS
Column 2 of A232756
EXAMPLE
Some solutions for n=2
..0..0..0....0..0..3....3..0..1....1..3..0....1..1..1....0..0..1....0..2..2
..2..3..1....1..2..3....1..1..1....3..3..1....2..2..1....0..1..2....2..3..2
..1..1..2....1..3..3....0..1..3....0..2..3....0..1..2....0..2..2....0..0..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 29 2013
STATUS
approved