OFFSET
1,1
COMMENTS
Row 4 of A266854.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..22
EXAMPLE
Some solutions for n=5
..0..2..1..1..3....0..3..2..0..2....0..2..1..0..3....0..2..1..3..1
..2..0..3..3..1....2..1..0..0..2....2..0..3..3..1....2..0..3..1..3
..0..3..2..1..1....0..3..3..2..1....0..3..2..1..1....0..2..1..3..2
..2..2..0..0..3....3..1..1..1..3....2..2..1..0..3....0..0..3..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 04 2016
STATUS
approved