OFFSET
1,2
COMMENTS
Column 2 of A200272
EXAMPLE
All solutions for n=6
..1....1....0....1....2
..0....2....0....1....2
..1....1....0....1....2
..2....0....0....1....2
..2....0....0....1....2
..1....1....0....1....2
..0....2....0....1....2
..1....1....0....1....2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 15 2011
STATUS
approved