OFFSET
1,1
COMMENTS
Column 7 of A222522
EXAMPLE
Some solutions for n=4
..0..0..0..0..0..1..2....0..0..0..0..0..1..0....0..0..0..0..0..1..2
..0..0..0..0..0..2..0....0..0..0..0..0..2..3....0..0..0..0..0..1..2
..0..0..0..0..0..1..1....0..0..0..0..0..2..0....0..0..0..0..0..0..2
..0..0..0..0..2..3..3....0..0..0..0..3..0..1....0..0..0..0..1..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 23 2013
STATUS
approved