OFFSET
1,1
COMMENTS
Column 3 of A204289
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..26
EXAMPLE
Some solutions for n=3
..0..0..0..1..1....0..1..1..1..0....0..0..0..0..1....0..0..0..0..1
..2..0..3..1..0....0..2..3..3..0....0..0..0..0..0....0..0..2..0..1
..1..0..1..1..0....0..0..0..0..0....2..3..1..1..1....2..0..1..1..1
..0..0..0..0..0....0..2..2..2..2....3..3..3..3..2....3..0..0..0..0
..2..0..1..3..0....3..3..3..2..0....2..2..2..2..2....0..0..0..2..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 13 2012
STATUS
approved