OFFSET
1,2
EXAMPLE
All solutions for n=3
.-5...-3...-1....0...-7...-6...-5...-4...-2...-4
..0....0....0....0....0....0....3...-3....0....0
..5....3....1....0....7....6....4....5....2....4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 18 2011
EXTENSIONS
a(17) onward from Max Alekseyev, Sep 18 2023
STATUS
approved