OFFSET
1,1
COMMENTS
Row 7 of A251428
EXAMPLE
Some solutions for n=3
..1....0....0....1....1....0....1....0....2....3....0....2....3....3....2....0
..1....1....0....1....0....3....0....2....1....2....0....1....0....1....2....3
..1....1....3....2....1....1....3....1....3....0....0....2....2....2....2....3
..2....1....3....2....0....0....2....1....1....0....2....3....0....1....1....3
..1....2....0....0....2....0....1....2....1....1....0....2....2....3....0....2
..1....2....1....3....2....2....0....3....0....2....3....1....0....2....1....0
..2....0....3....2....0....0....2....0....3....3....3....2....1....3....1....3
..1....1....3....3....3....0....0....2....3....0....2....3....0....1....3....0
..1....0....2....2....0....3....2....2....0....3....0....3....2....3....0....1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 02 2014
STATUS
approved