OFFSET
1,1
COMMENTS
Row 4 of A266886.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..19
EXAMPLE
Some solutions for n=5
..0..1..0..3..3....0..0..0..3..1....0..1..1..2..1....0..3..0..3..1
..3..0..3..2..3....2..2..2..3..3....0..0..1..0..0....2..3..2..3..3
..2..2..2..2..1....1..2..2..1..3....2..3..3..3..3....2..1..1..2..2
..0..1..0..1..1....0..1..0..1..3....2..2..3..2..1....0..1..0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 05 2016
STATUS
approved