OFFSET
1,1
COMMENTS
Column 3 of A237391
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=2
..0..0..0..2....0..0..2..2....2..1..1..1....2..2..1..2....1..1..2..2
..0..1..1..0....2..1..2..2....2..1..0..2....0..2..2..0....1..0..0..1
..2..1..1..0....1..1..0..2....1..1..2..2....1..0..1..1....0..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 07 2014
STATUS
approved