OFFSET
1,3
COMMENTS
Row 7 of A231108
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..33
EXAMPLE
Some solutions for n=4
..0..1..2..1....0..1..2..1....0..1..2..1....0..1..2..1....0..1..0..1
..0..3..0..3....0..3..0..1....0..3..2..1....0..3..2..0....2..3..2..1
..0..1..2..0....0..1..2..0....2..1..2..3....2..0..1..3....2..0..3..2
..3..0..1..0....0..3..1..2....0..3..0..3....3..2..0..1....1..2..1..0
..3..2..1..3....2..0..3..2....2..1..2..3....1..3..2..1....1..2..3..2
..1..3..0..1....3..2..3..2....0..3..0..3....2..1..3..0....1..2..1..2
..2..3..2..1....1..0..3..2....2..1..2..1....0..2..1..0....1..0..3..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 03 2013
STATUS
approved