OFFSET
1,1
COMMENTS
Column 2 of A224806
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..21
EXAMPLE
Some solutions for n=2
..0..0..0..0....0..0..2..0....0..0..0..0....0..0..2..2....0..0..2..0
..2..0..3..2....0..2..2..1....2..2..1..2....1..2..0..0....3..2..2..3
..1..3..0..1....1..2..2..0....0..0..2..0....2..2..3..1....1..2..0..1
..0..0..0..0....0..0..2..0....0..0..0..0....0..2..0..2....0..0..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 18 2013
STATUS
approved