OFFSET
1,2
COMMENTS
Row 3 of A221723
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..19
EXAMPLE
Some solutions for n=3
..1..0..0....2..2..0....1..2..2....1..1..0....2..3..0....0..3..1....0..5..0
..0..1..1....0..4..1....0..0..0....1..1..2....0..0..0....0..2..2....0..0..1
..3..3..0....0..0..0....2..1..1....2..1..0....0..4..0....1..0..0....0..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 22 2013
STATUS
approved