OFFSET
1,1
COMMENTS
Column 4 of A221345
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..16
EXAMPLE
Some solutions for n=3
..2..1..0..2....2..0..0..1....2..2..0..2....1..2..0..0....1..2..0..1
..0..2..2..1....2..0..1..2....1..0..2..0....0..1..2..0....1..1..1..0
..1..0..0..1....0..2..0..2....0..1..2..0....2..1..2..1....0..2..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 11 2013
STATUS
approved