OFFSET
1,1
COMMENTS
Column 3 of A226340
EXAMPLE
Some solutions for n=3
.-2...-3....0...-1...-3...-1...-2...-3...-3...-2...-3...-2...-2....0...-2...-3
.-1...-1....1...-1...-2...-1....1...-2....2...-2...-3....1....2....0....1...-3
..2....2....2....0...-1....3....1....0....2....3...-2....2....3....1....3....3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jun 04 2013
STATUS
approved