OFFSET
1,6
COMMENTS
Table starts
......0.....0......0....0.0.0
......1.....1......1....1.1
.....87...447....999.1935
...4470.90390.424374
.172850
EXAMPLE
Some solutions for n=3 k=4
.-2..0.-3....2.-2.-2...-1.-1.-3....0..0..0....0..0..0...-1.-2..2....3..4.-2
.-2..0.-3....4.-4.-4...-1.-1.-3....0.-3.-4....0..2..1....1..2.-2...-3.-4..2
..2..0..3...-3..3..3....1..1..3....0..3..4....0.-2.-1....0..0..0...-3.-4..2
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Apr 10 2013
STATUS
approved