OFFSET
1,1
COMMENTS
Row 4 of A266291.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..24
EXAMPLE
Some solutions for n=5
..0..0..3..1..3....0..3..2..2..1....0..0..3..3..1....0..2..0..3..3
..2..2..1..1..1....2..2..2..1..1....2..2..2..1..1....0..2..2..1..3
..0..0..3..3..3....1..0..0..3..3....1..0..0..0..3....2..1..0..3..1
..0..2..2..2..1....0..0..3..3..1....3..3..2..2..1....1..0..2..1..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 26 2015
STATUS
approved