OFFSET
1,1
COMMENTS
Column 2 of A237733
EXAMPLE
Some solutions for n=1
..1..2..0..1....1..0..1..2....0..0..1..0....2..2..0..2....2..1..0..1
..1..2..2..2....2..0..0..2....1..0..2..1....0..1..0..2....2..0..0..1
..0..1..1..2....0..2..1..2....1..0..2..0....1..2..2..1....1..1..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 12 2014
STATUS
approved