OFFSET
1,1
COMMENTS
Column 3 of A224123
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..22
EXAMPLE
Some solutions for n=3
..1..1..0....1..1..2....2..0..2....0..0..0....2..1..2....1..1..0....1..1..2
..0..1..1....3..3..2....3..3..1....2..3..2....2..3..0....2..2..0....3..3..0
..3..2..3....3..3..2....2..3..2....3..3..3....2..3..3....3..1..0....2..3..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 31 2013
STATUS
approved