OFFSET
5,2
EXAMPLE
Maximal zeros solution for n=12
.............0
............0.2
...........6.4.0
..........0.0.0.0
.........0.0.0.0.2
........0.0.0.0.4.2
.......2.0.0.2.4.0.0
......2.4.4.0.0.0.0.0
.....0.0.0.2.0.2.0.0.0
....0.0.0.0.0.4.0.0.0.6
...2.4.0.0.0.0.4.0.0.4.0
..0.0.6.0.0.0.2.2.0.0.2.0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 04 2009
STATUS
approved