OFFSET
1,1
COMMENTS
Column 5 of A230949
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=2
..0..x..0..x..3..x..1..x....0..x..0..x..1..x..3..x....0..x..0..x..1..x..1..x
..x..1..x..1..x..0..x..2....x..1..x..3..x..2..x..0....x..1..x..3..x..2..x..2
..2..x..0..x..2..x..3..x....0..x..2..x..1..x..1..x....1..x..2..x..1..x..3..x
..x..3..x..3..x..2..x..0....x..1..x..1..x..0..x..2....x..2..x..0..x..2..x..0
..2..x..2..x..2..x..1..x....0..x..0..x..3..x..3..x....1..x..3..x..3..x..1..x
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 01 2013
STATUS
approved