OFFSET
1,1
COMMENTS
Column 5 of A226852
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..19
EXAMPLE
Some solutions for n=3
..0..0..0..0..0....0..0..0..1..2....0..0..1..1..1....0..0..0..0..0
..2..0..0..2..2....1..0..0..2..1....0..1..1..2..0....1..1..2..1..0
..2..0..0..0..1....0..0..0..0..0....0..0..0..2..0....2..2..2..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jun 19 2013
STATUS
approved