OFFSET
1,1
COMMENTS
Column 7 of A199101
EXAMPLE
Some solutions for n=3
..0..1..1..0..2..2..0....0..1..2..1..1..2..2....0..1..2..2..0..1..0
..0..1..1..2..1..1..1....0..1..1..2..2..0..0....0..1..1..0..2..1..2
..0..0..0..2..2..2..2....0..0..0..1..2..1..2....0..0..1..2..2..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 02 2011
STATUS
approved