OFFSET
1,1
COMMENTS
Column 5 of A206389.
EXAMPLE
Some solutions for n=4
..0..1..2..3..0....0..1..2..0..1....0..1..2..0..1....0..1..2..0..1
..2..3..0..1..2....2..3..4..5..2....2..3..4..5..6....2..3..4..5..6
..1..4..5..6..3....1..0..6..3..4....6..0..1..2..0....4..5..0..1..2
..6..0..1..4..5....3..2..5..0..6....1..2..3..6..1....0..1..6..3..4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 07 2012
STATUS
approved