OFFSET
1,1
COMMENTS
Column 4 of A205954.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..172
EXAMPLE
Some solutions for n=4:
..3..0..0..3..1....3..3..2..1..0....1..1..2..1..1....0..2..1..0..1
..3..3..2..2..1....1..0..1..2..0....2..1..3..3..2....0..3..3..1..1
..3..3..0..3..3....3..3..2..2..1....1..2..2..1..1....0..2..1..1..1
..0..3..1..1..0....0..0..3..0..2....1..2..2..3..2....3..3..1..1..2
..2..0..0..3..3....0..0..3..2..2....3..0..0..0..0....3..3..2..2..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 02 2012
STATUS
approved