OFFSET
1,2
COMMENTS
Column 4 of A217227
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..26
EXAMPLE
Some solutions for n=3
..0..0..2..1....1..2..0..0....1..0..0..0....0..0..2..1....1..2..1..0
..2..2..2..2....2..1..0..1....2..2..2..2....2..1..1..2....1..2..1..2
..0..0..0..1....1..1..2..1....1..1..0..1....0..1..1..1....0..1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 07 2013
STATUS
approved