OFFSET
1,2
COMMENTS
Column 4 of A204084
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=5
..1..0..0..0....3..0..0..1....3..0..0..1....2..0..0..1....3..0..0..0
..1..2..1..1....1..1..1..1....1..1..1..1....1..1..2..1....1..1..1..1
..0..0..3..3....0..2..1..0....0..1..1..0....0..2..3..0....0..0..2..3
..1..1..0..0....0..0..0..0....0..1..0..0....0..0..1..0....0..0..1..0
..0..0..1..1....1..1..1..1....0..1..1..1....1..1..1..0....1..1..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 10 2012
STATUS
approved