OFFSET
1,1
COMMENTS
Column 7 of A229847
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..18
EXAMPLE
Some solutions for n=3
..0..0..2..0..2..1..1....0..0..2..1..2..0..2....0..0..2..0..2..0..1
..2..0..2..2..1..1..0....2..0..2..1..2..2..0....2..0..2..0..2..0..1
..0..0..2..0..1..1..2....0..0..2..1..0..0..2....0..0..2..0..2..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 01 2013
STATUS
approved