OFFSET
1,1
COMMENTS
Row 2 of A187521
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..53
EXAMPLE
Some solutions for 3X3
..0..0..3....2..2..2....2..1..2....3..3..3....0..3..2....2..3..2....1..1..1
..3..3..2....1..1..2....2..1..1....3..3..1....0..2..2....2..3..0....2..2..0
..0..3..2....3..1..2....3..2..2....1..3..1....1..1..1....0..3..0....0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 10 2011
STATUS
approved