OFFSET
1,1
COMMENTS
Column 6 of A209897
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..0..0..0..0..0..1..2....0..0..0..0..1..2..0....0..1..1..1..1..0..2
..0..2..2..0..1..1..2....1..0..1..0..1..2..0....0..0..1..2..1..0..2
..2..2..0..0..0..1..1....0..1..0..0..1..2..2....1..0..1..2..1..0..2
..0..2..2..2..0..1..2....0..0..0..1..1..1..1....1..1..1..1..1..0..0
..0..2..0..0..0..1..2....1..0..1..0..0..0..0....1..2..1..0..0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 14 2012
STATUS
approved