OFFSET
1,1
COMMENTS
Column 1 of A232756
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..27
EXAMPLE
Some solutions for n=4
..3..1....0..0....2..0....3..1....0..0....2..2....1..1....1..0....0..0....1..0
..2..2....0..0....2..0....3..1....3..0....2..2....1..2....3..0....3..2....0..2
..2..2....0..1....1..2....3..1....2..2....0..3....2..2....0..2....3..2....1..2
..2..3....1..1....3..2....0..2....0..3....2..3....0..3....1..2....3..2....3..3
..2..3....1..1....1..3....2..3....2..3....2..3....0..3....1..3....2..3....3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 29 2013
STATUS
approved