OFFSET
1,1
COMMENTS
Column 4 of A222847.
EXAMPLE
Some solutions for n=3
..0..0..0..0..1....0..0..1..0..1....0..0..0..0..1....0..0..0..0..1
..0..1..0..1..2....0..0..1..0..1....0..1..1..0..2....1..0..1..1..1
..1..1..1..1..2....1..1..1..2..1....0..1..0..2..1....1..1..1..1..2
..0..2..1..1..2....2..0..2..1..2....1..1..2..0..2....1..1..2..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 07 2013
STATUS
approved