OFFSET
1,1
COMMENTS
Column 6 of A226422
EXAMPLE
Some solutions for n=3
.-5...-5...-4...-3...-3...-4...-2...-6...-6...-2...-6...-5...-3...-6...-2...-5
..4....3...-1...-2....1...-3....3...-1....2...-1....4...-4....3...-1....4...-3
..5....3...-1....2....2...-3....4....2....5....1....5....3....3....0....5...-1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jun 06 2013
STATUS
approved