OFFSET
1,2
COMMENTS
Row 4 of A267751.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..40
EXAMPLE
Some solutions for n=4
..0..0..3..2....0..3..3..1....0..3..1..3....0..2..0..2....0..1..1..3
..1..1..3..2....1..0..0..2....1..3..2..0....1..2..0..3....0..2..1..3
..2..1..0..2....2..0..1..3....2..0..2..0....1..3..1..3....0..2..2..3
..3..1..0..3....2..1..2..3....3..1..2..1....1..0..2..3....1..2..3..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 20 2016
STATUS
approved