OFFSET
1,2
COMMENTS
Row 2 of A264638.
EXAMPLE
Some solutions for n=4
..4..2..6..5....4..0..6..5....2..0..4..5....4..0..2..1....2..0..4..1
..0..3..7..1....2..3..7..1....6..7..3..1....6..5..3..7....6..7..5..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 19 2015
STATUS
approved