OFFSET
1,1
COMMENTS
Row 4 of A266867.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..20
EXAMPLE
Some solutions for n=4
..0..0..2..0....0..3..2..2....0..3..1..1....0..2..0..0....0..0..2..0
..2..1..3..2....3..2..1..3....2..1..3..2....1..3..2..1....2..0..3..3
..1..1..1..0....1..1..1..0....3..2..2..0....3..2..1..1....2..1..3..2
..3..3..3..2....0..3..2..0....0..0..3..1....2..0..3..3....1..3..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 04 2016
STATUS
approved