OFFSET
1,1
COMMENTS
Column 2 of A223495
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..30
EXAMPLE
Some solutions for n=1
..1..3....2..0....2..2....2..0....0..1....3..1....3..3....1..3....2..1....1..0
..0..2....0..0....2..0....2..0....0..0....0..1....2..2....0..1....1..1....1..0
..0..2....0..2....3..2....3..1....3..1....2..2....2..3....3..2....3..3....3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 20 2013
STATUS
approved