OFFSET
1,1
COMMENTS
Column 2 of A232886
EXAMPLE
Some solutions for n=2
..1..0..3....1..0..2....1..0..3....2..1..2....0..3..0....0..2..2....0..0..0
..1..2..2....1..0..2....1..3..2....1..1..3....2..0..3....1..2..2....0..1..0
..3..3..2....0..3..3....3..3..3....1..3..3....0..2..3....3..2..2....0..0..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 02 2013
STATUS
approved