OFFSET
1,3
COMMENTS
Column 6 of A195522
EXAMPLE
Some solutions for n=4
..0........0........0........0........0........0........0........0
..0.0......0.0......0.0.....-3.3.....-5.5.....-2.2......5-5.....-5.5
..4.0-4...-4.4.0....3-2-1...-3.3.0...-1-3.4....4.0-4...-6.4.2....3-4.1
.-4.0.4.0..4-4.0.0.-3.2.1.0..6-6.0.0..6-2-4.0.-2-2.4.0..1.1-2.0..2-1-1.0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 20 2011
STATUS
approved