OFFSET
1,1
COMMENTS
Column 6 of A226398
EXAMPLE
Some solutions for n=3
.-2...-6...-1...-1...-1...-1...-5...-2...-3...-3...-6...-5...-4...-3...-5...-3
..3...-1...-1....2...-1....3....4....2...-3....1....3....1...-3...-2....3...-2
..5....1....1....6....6....4....6....3...-3....4....6....5....5...-2....6...-1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jun 06 2013
STATUS
approved