OFFSET
1,1
COMMENTS
Column 5 of A241138
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..0..0..1..1..0....0..0..0..1..1....0..0..0..1..1....0..1..0..2..2
..2..2..0..0..0....1..1..2..2..2....2..1..2..2..2....0..1..0..1..1
..1..0..2..2..0....2..0..0..1..1....2..1..0..1..0....2..2..2..0..0
..1..0..1..1..1....2..1..1..2..2....2..1..0..1..0....0..0..0..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 16 2014
STATUS
approved