OFFSET
1,1
COMMENTS
Column 5 of A201989
EXAMPLE
Some solutions for n=2
.-3.-1..0..2..3...-3.-3..2..2..3...-3.-1..0..2..3...-3.-1..2..2..3
..2..2..0.-2.-3....2..3.-2.-2.-2....3..2.-3.-1.-2...-3..2..0..0.-2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 07 2011
STATUS
approved