OFFSET
1,1
COMMENTS
Row 7 of A251801
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..13
EXAMPLE
Some solutions for n=1
..0..0....0..0....0..0....0..0....0..0....0..0....0..0....0..0....0..0....0..0
..0..0....0..0....0..0....0..0....0..0....0..0....0..0....0..0....0..0....0..0
..0..0....0..0....0..0....0..0....0..0....0..0....0..2....0..2....0..0....0..2
..2..2....0..2....0..2....0..0....2..2....0..2....0..0....0..0....2..2....2..2
..2..2....0..2....0..2....1..3....1..3....2..3....0..1....3..3....1..1....2..3
..2..2....0..3....1..3....0..3....0..3....0..2....0..0....0..0....0..2....1..1
..3..3....1..2....1..1....1..2....0..2....2..0....0..1....0..3....3..1....0..2
..0..3....0..0....1..2....2..2....3..1....0..2....2..1....0..0....1..3....3..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 09 2014
STATUS
approved