OFFSET
1,1
COMMENTS
Row 4 of A266455.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..39
EXAMPLE
Some solutions for n=3
..0..2..3....0..3..0....0..1..2....0..0..1....0..2..3....0..1..2....0..2..1
..2..1..1....2..1..3....3..3..2....0..2..3....0..2..2....3..3..0....3..1..0
..0..3..0....1..0..2....2..3..0....3..1..2....0..1..1....3..2..2....3..3..0
..2..1..3....1..3..2....1..1..0....3..1..2....3..3..1....1..0..1....1..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 29 2015
STATUS
approved