OFFSET
1,1
COMMENTS
Column 3 of A232391
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=6
..0..1..2..3....0..2..0..1....3..0..2..1....0..1..2..3....0..1..0..2
..2..3..1..0....1..3..2..0....2..1..3..0....2..3..1..0....3..2..3..1
..1..0..3..1....2..0..3..1....0..2..1..3....1..0..3..1....0..1..0..2
..3..1..2..0....3..1..2..3....1..3..2..1....3..1..2..3....3..2..1..3
..2..0..1..2....2..3..0..1....0..1..3..0....2..3..0..1....0..3..2..0
..3..2..3..1....0..2..3..2....3..0..2..1....0..1..3..2....1..0..1..2
..0..1..2..0....1..0..1..3....2..1..3..0....3..2..1..0....2..3..0..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 23 2013
STATUS
approved