OFFSET
1,2
COMMENTS
Column 4 of A208945.
EXAMPLE
Some solutions for n=5:
.-2...-4...-4...-4...-3...-2...-4...-4...-2...-4...-2...-3...-3...-3...-4...-2
.-2....1....2....3....4....3....4....0...-2...-2...-2....0...-3....3...-1...-1
..0....2...-2...-2...-1....0...-1....3....0....3....1....2....0....0....2....3
..1....3....2....1....1...-1....2....2....2....0....1...-1....2...-1....0...-2
..3...-2....2....2...-1....0...-1...-1....2....3....2....2....4....1....3....2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 03 2012
STATUS
approved