OFFSET
1,1
COMMENTS
Column 6 of A199356
EXAMPLE
Some solutions for n=3
..0..1..2..3..2..3....0..1..0..2..0..2....0..1..2..0..3..1....0..1..2..3..3..2
..0..1..2..3..0..3....0..1..3..0..2..1....0..1..3..0..3..2....0..1..0..2..0..3
..1..0..3..1..2..1....1..3..1..3..2..3....1..0..2..3..1..2....1..0..1..2..1..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 05 2011
STATUS
approved