OFFSET
1,1
COMMENTS
Column 1 of A237733
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..16
EXAMPLE
Some solutions for n=2
..2..0..1....2..1..0....2..0..2....2..2..2....0..2..0....0..2..0....2..2..2
..2..1..2....0..1..0....0..1..0....2..1..0....2..1..0....0..1..2....2..0..0
..1..2..1....2..0..2....1..2..0....2..2..0....0..0..0....1..2..2....1..2..2
..2..0..0....0..1..1....0..2..2....0..1..1....0..1..2....0..0..2....2..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 12 2014
STATUS
approved