OFFSET
1,1
COMMENTS
Row 5 of A218522
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..47
EXAMPLE
Some solutions for n=3
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..2..0..0....0..1..2....0..1..3....0..1..1....2..0..1....2..0..0....2..0..0
..0..0..2....2..1..1....3..1..3....2..1..2....2..1..2....2..0..1....1..0..2
..0..0..1....1..1..3....1..1..3....3..2..0....3..0..3....3..1..1....3..1..1
..0..0..0....3..0..0....2..2..3....0..0..0....0..0..1....3..0..0....3..1..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 31 2012
STATUS
approved