OFFSET
1,1
COMMENTS
Column 6 of A241306
EXAMPLE
Some solutions for n=4
..2..3..2..2..3..2....3..2..3..2..3..2....3..2..3..3..2..3....3..2..3..2..3..3
..2..3..0..0..3..2....3..0..1..2..1..1....1..2..1..1..2..1....1..2..1..2..1..2
..2..1..2..0..0..3....1..2..0..2..3..1....3..2..0..0..3..2....3..0..0..2..3..1
..1..3..2..1..1..3....3..0..0..1..3..2....1..0..0..2..1..2....1..0..0..2..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 18 2014
STATUS
approved