OFFSET
1,1
COMMENTS
Column 1 of A262109.
EXAMPLE
Some solutions for n=4
..0..0....2..2....0..0....0..0....2..2....2..2....0..0....2..2....0..1....2..2
..0..0....2..0....2..2....0..0....2..2....0..1....0..0....1..1....0..1....0..0
..0..0....2..0....2..0....0..1....0..0....2..2....0..0....2..2....2..0....0..0
..1..1....1..1....2..2....0..0....2..2....0..1....1..1....1..1....1..1....0..0
..2..0....2..2....1..1....2..2....1..1....1..1....2..2....1..1....2..2....1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 11 2015
STATUS
approved