OFFSET
1,1
COMMENTS
Row 5 of A267911.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..31
EXAMPLE
Some solutions for n=2
..0..1....0..1....0..1....0..1....0..0....0..0....0..1....0..1....0..1....0..1
..0..0....0..0....1..1....1..1....0..1....1..2....0..1....0..0....1..0....0..1
..1..1....1..0....1..2....1..0....0..2....2..1....1..1....2..1....2..1....0..2
..0..2....2..0....1..0....0..1....2..2....0..2....2..1....0..0....0..0....0..0
..1..0....1..2....2..2....1..2....0..0....2..0....0..0....2..2....0..0....2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 22 2016
STATUS
approved