OFFSET
1,1
COMMENTS
Row 4 of A265882.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..20
EXAMPLE
Some solutions for n=3
..0..1..1....1..3..2....0..0..1....1..1..0....1..3..3....3..1..1....0..0..2
..0..0..1....3..3..2....3..1..1....2..2..2....1..0..1....2..0..0....2..3..1
..2..2..3....0..1..0....2..2..3....3..3..3....2..0..2....2..3..2....3..1..0
..2..3..3....1..0..2....0..2..3....0..1..0....0..2..3....0..1..3....2..3..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 17 2015
STATUS
approved