OFFSET
1,1
COMMENTS
Row 5 of A220761
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..22
EXAMPLE
Some solutions for n=3
..0..0..2....0..0..0....0..0..2....0..0..2....0..0..0....0..0..0....0..0..0
..0..0..3....2..0..3....2..0..0....0..0..3....2..0..0....3..0..1....2..0..2
..2..0..3....3..1..1....3..0..1....2..0..0....3..0..0....3..0..3....3..1..2
..1..0..1....1..1..3....1..1..1....3..0..0....0..0..2....3..0..0....3..1..1
..0..0..0....2..1..2....1..1..1....2..0..3....0..0..2....1..0..1....3..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 19 2012
STATUS
approved