OFFSET
1,1
COMMENTS
Column 5 of A217645
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..21
EXAMPLE
Some solutions for n=3
..2..1..0..0..1....2..2..0..0..2....2..2..2..1..1....1..1..0..0..0
..1..0..0..0..1....1..0..0..0..2....2..2..1..1..1....1..1..0..0..0
..0..0..0..0..1....0..0..0..0..2....2..2..1..1..1....2..2..2..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 09 2012
STATUS
approved