OFFSET
1,1
COMMENTS
Column 2 of A251955.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=2
..1..0..1..1....1..1..0..1....0..2..2..2....0..2..2..0....0..0..0..0
..2..2..2..1....1..0..0..2....0..2..0..2....0..0..2..2....0..0..2..2
..1..2..2..0....2..0..0..1....0..2..2..2....0..2..2..0....2..2..0..2
..1..2..2..0....1..2..1..2....2..0..0..0....2..0..2..2....0..2..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 11 2014
STATUS
approved