OFFSET
1,1
COMMENTS
Column 5 of A241397
EXAMPLE
Some solutions for n=4
..3..2..2..2..3....2..3..3..3..2....3..2..3..3..2....2..3..2..2..2
..1..2..1..1..3....2..1..1..1..0....1..2..1..1..2....2..1..2..0..0
..3..2..3..1..2....2..3..2..2..2....3..0..2..2..2....3..0..2..2..0
..3..2..2..2..2....2..3..2..0..0....3..0..0..1..2....3..2..0..3..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 20 2014
STATUS
approved