OFFSET
1,1
COMMENTS
Column 5 of A222889
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..18
EXAMPLE
Some solutions for n=3
..0..1..0..2..1....0..0..0..1..2....0..1..1..0..2....0..1..2..0..2
..2..0..0..0..2....0..1..2..2..1....1..0..0..1..0....1..2..2..0..1
..0..0..0..2..0....0..2..1..0..2....0..0..0..2..1....0..1..0..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 08 2013
STATUS
approved