OFFSET
4,1
COMMENTS
Value 2080 starts at n=17 and continues through at least n=50.
EXAMPLE
Maximal zeros solution for n=17
..................0
.................0.0
................0.0.3
...............0.3.0.0
..............3.0.0.0.0
.............0.0.0.0.3.0
............0.0.0.3.0.0.0
...........0.0.3.0.0.0.0.3
..........0.3.0.0.0.0.3.0.0
.........3.0.0.0.0.3.0.0.0.0
........0.0.0.0.3.0.0.0.0.3.0
.......0.0.0.3.0.0.0.0.3.0.0.0
......0.0.3.0.0.0.0.3.0.0.0.0.3
.....0.3.0.0.0.0.3.0.0.0.0.3.0.0
....3.0.0.0.0.3.0.0.0.0.3.0.0.0.0
...0.0.0.0.3.0.0.0.0.3.0.0.0.0.3.0
..0.0.0.3.0.0.0.0.3.0.0.0.0.3.0.0.0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 04 2009
STATUS
approved