OFFSET
1,1
COMMENTS
Column 5 of A268423.
EXAMPLE
Some solutions for n=2
..0..0..1..2..3....0..0..1..0..2....0..1..1..0..0....0..1..2..2..1
..2..2..3..3..0....1..1..3..3..2....2..0..1..0..2....1..0..1..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 04 2016
STATUS
approved