OFFSET
1,1
COMMENTS
Column 2 of A204320
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
..0..1..2..2....0..0..0..1....0..0..1..1....0..1..0..0....0..0..0..0
..1..0..0..0....0..0..0..1....1..1..0..1....1..1..0..0....1..0..1..2
..0..0..0..0....2..3..0..0....1..1..1..1....0..0..0..1....1..0..3..0
..0..1..0..0....0..3..0..0....0..2..1..1....0..0..0..0....0..0..0..0
..0..0..3..0....1..3..0..1....2..3..1..1....0..0..2..1....3..3..3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 14 2012
STATUS
approved