OFFSET
1,1
COMMENTS
Column 6 of A209969
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..1..2..1
..0..0..0..1..1..0..0....1..0..0..0..0..0..2....1..1..1..1..1..2..1
..2..0..1..0..0..0..2....0..0..2..2..0..2..2....1..2..2..2..1..2..1
..2..0..0..0..0..0..0....3..0..0..2..0..2..2....1..2..3..2..1..2..1
..2..2..2..2..2..0..3....3..0..2..2..0..2..2....1..2..2..2..1..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 16 2012
STATUS
approved