OFFSET
1,1
COMMENTS
Row 4 of A266318.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..23
EXAMPLE
Some solutions for n=4
..0..3..1..1....0..3..3..3....0..0..3..3....0..0..3..1....0..3..2..1
..3..2..0..3....0..2..2..1....2..2..2..1....3..3..3..1....3..2..0..3
..2..1..3..1....0..2..1..1....1..1..0..0....2..2..2..1....2..0..3..1
..2..0..2..0....3..2..1..0....3..1..3..2....0..2..1..0....1..0..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 27 2015
STATUS
approved