OFFSET
1,1
COMMENTS
Column 5 of A199256
EXAMPLE
Some solutions for n=4
..0..1..2..3..0....0..1..2..1..2....0..1..2..0..3....0..1..2..1..3
..1..2..0..1..3....1..3..1..3..0....1..2..3..1..0....1..2..3..0..2
..3..1..3..2..1....2..0..3..2..1....2..3..2..0..2....2..3..0..3..1
..0..2..0..3..2....0..3..0..3..2....0..1..3..1..3....3..0..2..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 04 2011
STATUS
approved