OFFSET
1,1
COMMENTS
Column 4 of A239537
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=5
..0..1..0..2..0....0..1..0..1..2....0..1..0..0..2....0..1..0..1..2
..0..1..0..2..0....0..1..0..1..2....0..1..0..0..2....0..1..0..1..2
..0..1..0..1..0....1..2..0..1..2....0..2..1..1..2....1..2..0..1..2
..0..2..1..1..0....1..2..0..1..0....0..2..1..1..2....1..2..0..1..2
..1..2..1..1..0....1..0..1..2..0....2..0..2..2..1....0..1..0..1..0
..1..2..1..1..0....1..0..1..2..0....2..0..2..2..1....0..1..0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 21 2014
STATUS
approved