OFFSET
1,1
COMMENTS
Column 3 of A229105.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..37
EXAMPLE
Some solutions for n=4
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..2..2..0....0..3..3....0..1..2....0..0..3....0..1..0....0..3..3....0..0..1
..3..1..3....3..3..2....3..2..1....1..1..3....3..3..3....1..0..2....1..1..2
..0..3..3....1..0..0....0..0..2....2..1..1....0..1..2....3..1..2....3..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 13 2013
STATUS
approved