OFFSET
1,2
COMMENTS
Row 3 of A221125.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..21
EXAMPLE
Some solutions for n=3
..2..0..0....0..1..2....0..2..2....0..1..2....0..1..0....0..1..0....2..2..0
..1..2..1....0..3..0....0..2..0....1..1..2....2..3..0....2..2..3....1..0..2
..2..0..1....2..1..0....2..0..1....1..1..0....0..1..2....0..1..0....1..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 02 2013
STATUS
approved