OFFSET
1,1
COMMENTS
Column 6 of A222378
EXAMPLE
Some solutions for n=4
..0..0..0..0..1..0....0..0..0..1..0..2....0..0..0..0..0..1....0..0..0..0..1..0
..0..0..0..2..1..2....0..0..0..0..0..2....0..0..0..0..1..2....0..0..0..0..2..3
..0..0..0..0..1..1....0..0..0..0..2..1....0..0..0..1..2..2....0..0..0..0..1..3
..0..0..0..0..0..3....0..0..0..0..0..3....0..0..0..1..1..2....0..0..0..0..3..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 17 2013
STATUS
approved