OFFSET
1,3
COMMENTS
Table starts
....1....1.....1....1..1.1
...10...26....42...58.74
...87..447...999.1935
..740.6820.20708
.6285
EXAMPLE
Some solutions for n=3 k=4
..0.-3.-4....2.-1..1....4..4.-4....0..0..4...-2..3..4....1..2..2...-4.-4.-1
..0.-3.-4....0..0..0...-4.-4..4....0..0.-4...-2..3..4...-2.-4.-4....4..4..1
..0..3..4...-2..1.-1...-1.-1..1....0..0..1....0..0..0....2..4..4....4..4..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Apr 10 2013
STATUS
approved