OFFSET
1,2
COMMENTS
Row 4 of A265192.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..23
EXAMPLE
Some solutions for n=4
..0..1..2..3....0..1..2..3....0..1..0..1....0..1..2..3....0..1..2..3
..0..3..2..0....3..0..2..1....2..3..2..3....3..1..2..3....2..1..2..0
..1..3..1..0....2..0..3..1....2..3..2..1....0..1..2..0....3..0..1..3
..2..3..1..2....2..1..3..0....0..3..0..1....3..0..1..2....3..0..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 04 2015
STATUS
approved