OFFSET
1,2
COMMENTS
Column 7 of A239030
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=5
..2..0..0..0..0..0..0....2..0..0..0..0..0..0....2..0..0..0..0..0..0
..2..0..0..0..0..0..0....1..2..2..0..0..0..0....1..2..2..0..0..0..0
..1..0..2..2..0..0..0....2..1..1..0..2..2..0....2..1..2..0..0..0..0
..2..0..1..1..0..2..2....1..0..2..2..1..1..2....2..0..0..0..0..0..0
..1..0..0..2..2..1..1....2..0..1..1..0..0..2....1..0..0..0..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 09 2014
STATUS
approved