OFFSET
1,1
COMMENTS
Column 6 of A226340
EXAMPLE
Some solutions for n=3
.-5...-4...-3...-1....2...-6...-6...-4...-3...-1...-4...-5...-6...-3...-3...-2
.-1...-1...-3....0....3...-3....5....5....3...-1...-1...-3...-5....1....2....4
..4....2....4....3....4....0....6....5....5....5...-1...-2...-4....4....4....5
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jun 04 2013
STATUS
approved