OFFSET
1,2
COMMENTS
Column 4 of A203460
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=5
..1..1..0..0....2..2..1..1....1..2..2..2....1..1..1..1....0..1..2..2
..1..2..2..1....2..2..1..1....1..2..0..2....1..2..2..2....1..1..2..2
..1..2..2..1....1..0..0..0....2..2..0..2....1..2..2..2....1..2..2..1
..2..2..1..0....2..2..0..0....2..1..2..2....2..2..1..1....0..2..2..0
..2..2..0..0....2..2..0..0....2..2..2..1....2..2..1..1....0..1..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 02 2012
STATUS
approved