OFFSET
1,1
COMMENTS
Column 5 of A199356
EXAMPLE
Some solutions for n=3
..0..1..2..1..3....0..1..2..0..3....0..1..0..1..2....0..1..0..1..2
..0..2..3..3..2....0..1..2..1..3....0..2..3..1..2....0..1..3..1..2
..1..0..2..0..3....3..2..1..3..2....3..2..3..0..3....3..2..0..2..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 05 2011
STATUS
approved