OFFSET
3,1
COMMENTS
Pattern 12 28 76 12 12 86 12 12 76 28 12 76 starts at n=14 and continues through at least n=60.
EXAMPLE
Maximal zeros solution for n=14
...............2
..............2.2
.............0.0.0
............0.2.2.0
...........2.0.2.0.2
..........2.2.0.0.2.2
.........0.0.0.4.0.0.0
........0.2.2.0.0.2.2.0
.......2.0.2.0.2.0.2.0.2
......2.2.0.0.2.2.0.0.2.2
.....0.0.0.4.0.0.0.4.0.0.0
....0.2.2.0.0.2.2.0.0.2.2.0
...2.0.2.0.2.0.2.0.2.0.2.0.2
..2.2.0.0.2.2.0.0.2.2.0.0.2.2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 04 2009
STATUS
approved