OFFSET
1,1
COMMENTS
Column 2 of A233055
EXAMPLE
Some solutions for n=2
..0..3..1....0..1..3....2..0..2....0..2..2....3..0..2....3..0..1....3..3..0
..0..1..3....0..3..3....0..3..2....1..0..3....2..1..3....3..0..1....0..0..3
..0..3..3....2..2..3....1..2..3....2..3..2....1..3..2....0..2..3....1..1..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 03 2013
STATUS
approved