OFFSET
3,2
COMMENTS
Pattern 0 9 0 0 9 0 0 7 0 0 9 0 starts at n=12 and continues through at least n=60.
EXAMPLE
Maximal zeros solution for n=13
..............3
.............0.0
............0.2.0
...........1.1.1.1
..........2.0.1.0.2
.........0.1.1.1.1.0
........1.1.0.2.0.1.1
.......0.1.2.0.0.2.1.0
......2.1.0.0.3.0.0.1.2
.....1.0.1.2.0.0.2.1.0.1
....0.1.1.1.0.2.0.1.1.1.0
...0.2.1.0.1.1.1.1.0.1.2.0
..3.0.0.1.2.0.1.0.2.1.0.0.3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 04 2009
STATUS
approved