OFFSET
1,1
COMMENTS
Column 7 of A188358
EXAMPLE
Some solutions for n=4
.-6...-1....2...-1...-3....3....7...-1....0...-3...-1....3...-7....7....3...-1
..0....0....0....0...-5....0...-5....0...-6....6...-6....2....0...-3....0....0
..3....1....2....5....3...-5...-3....2....1....2...-1....0...-3...-3....0....2
..1....4....6....4....0....0....5...-5....3...-3...-6....3...-7....6....0....0
.-3...-1...-2...-5...-2...-5....7...-2....1...-4....3...-2....3....5...-5...-5
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 28 2011
STATUS
approved