OFFSET
1,2
COMMENTS
Column 4 of A208825.
EXAMPLE
All solutions for n=3:
.-2...-1....0...-4...-2...-3...-3...-3...-1...-4...-2...-2...-4
.-1....0....0....1....0....0...-1....1...-1....0...-2....1....2
..3....1....0....3....2....3....4....2....2....4....4....1....2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 01 2012
STATUS
approved