OFFSET
1,2
COMMENTS
Column 4 of A209115.
EXAMPLE
Some solutions for n=6:
.-4...-3...-4...-4...-4...-4...-3...-3...-4...-3...-3...-4...-3...-4...-4...-4
.-1....0...-3....2....3....0....3...-3....0...-1...-1....3....3...-4....0....1
..2....1...-3...-3....2....4...-2....3....3...-3....0....4...-3....3....4....2
..3....0....4....4...-3...-1....2....2....3....4...-2...-3....4....4...-2....0
..3....2....2....4....2...-2....1...-1....1....1....3....1....1....0...-2....4
.-3....0....4...-3....0....3...-1....2...-3....2....3...-1...-2....1....4...-3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 05 2012
STATUS
approved