OFFSET
1,1
COMMENTS
Row 4 of A267974.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..45
EXAMPLE
Some solutions for n=2
..2..2....3..2....1..0....2..3....0..1....3..0....3..2....3..0....2..2....0..0
..3..2....1..2....3..0....2..0....3..1....2..2....2..3....1..0....1..3....1..0
..3..1....1..3....1..1....1..0....2..2....1..1....2..0....0..1....0..2....2..1
..2..0....3..2....1..1....2..2....0..0....0..2....3..2....0..1....2..1....0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 23 2016
STATUS
approved