OFFSET
1,1
COMMENTS
Column 5 of A252777
EXAMPLE
Some solutions for n=1
..0..1..1..0..1..0..0....0..1..0..0..2..2..0....0..0..1..0..1..1..0
..1..2..2..0..0..3..0....0..2..0..2..0..0..1....2..0..2..0..2..2..0
..1..2..2..1..1..3..1....3..2..2..0..2..2..0....2..2..1..2..1..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 21 2014
STATUS
approved