OFFSET
1,2
COMMENTS
Column 7 of A203346
EXAMPLE
Some solutions for n=5
..1..3..4..4..3..3..0....3..3..0..3..3..2..0....0..0..0..1..4..4..1
..4..4..4..4..2..3..2....3..3..1..3..3..2..0....1..2..2..1..4..4..3
..4..1..0..2..3..3..2....4..4..1..1..4..4..2....1..3..3..4..4..3..3
..4..2..3..3..3..4..4....4..4..4..4..4..4..2....1..3..1..4..3..4..4
..4..4..4..4..4..4..4....4..4..2..0..2..2..1....0..3..3..4..4..4..4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 31 2011
STATUS
approved