OFFSET
1,1
COMMENTS
Column 6 of A205642.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..18
EXAMPLE
Some solutions for n=4:
..1..1..0..1..0..2..0....3..2..3..3..1..1..0....3..0..2..0..3..1..3
..3..2..2..1..3..2..3....2..0..1..0..0..3..3....1..3..0..3..1..0..1
..3..0..3..1..0..0..3....0..2..1..2..1..1..0....2..0..1..0..3..1..0
..2..2..2..2..2..1..3....3..2..3..2..3..2..3....3..1..2..1..0..2..1
..3..0..3..0..3..1..0....3..0..3..0..0..1..0....0..2..0..2..1..3..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 29 2012
STATUS
approved