OFFSET
1,2
COMMENTS
Column 5 of A230592
EXAMPLE
Some solutions for n=3
..0..3..2..1..0....0..3..4..5..0....0..1..2..3..2....0..1..2..1..0
..1..4..5..0..3....1..2..1..4..1....1..2..1..4..1....3..0..3..2..5
..2..3..2..5..4....0..1..2..3..2....2..3..4..5..0....4..5..4..3..4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 24 2013
STATUS
approved