OFFSET
4,1
COMMENTS
Pattern 1 4 1 2 starts at n=10 and continues through at least n=60.
EXAMPLE
Maximal zeros solution for n=10
...........1
..........1.1
.........0.0.0
........0.1.1.0
.......1.0.1.0.1
......1.1.0.0.1.1
.....0.0.0.2.0.0.0
....0.1.1.0.0.1.1.0
...1.0.1.0.1.0.1.0.1
..1.1.0.0.1.1.0.0.1.1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 04 2009
STATUS
approved