OFFSET
1,1
COMMENTS
Column 4 of A222165
EXAMPLE
Some solutions for n=3
..0....1....2....1....0....0....2....1....1....1....1....0....0....0....0....2
..0....0....1....1....3....2....0....0....0....1....0....3....3....1....0....0
..3....1....1....2....0....2....0....0....0....3....4....0....1....0....2....3
..1....1....0....0....2....0....2....3....1....0....1....2....2....0....0....1
..2....1....2....0....1....2....3....2....4....0....0....2....0....2....4....0
..0....3....0....3....0....0....0....0....1....2....0....0....1....1....0....1
..1....0....1....0....1....1....0....1....0....0....1....0....0....3....1....0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 10 2013
STATUS
approved