OFFSET
1,1
COMMENTS
Column 3 of A216663
EXAMPLE
Some solutions for n=2
..0..1..0....0..1..0....0..1..2....0..1..2....0..1..0....0..1..2....0..1..2
..2..3..4....2..0..3....3..0..1....3..4..5....2..0..2....1..3..4....3..2..4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 13 2012
STATUS
approved