OFFSET
1,1
COMMENTS
Column 7 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..1..1..1....0..0..0..0..0..0..0..1....0..0..0..0..1..0..0..1
..1..0..0..0..0..0..0..0....0..2..2..2..2..2..0..0....0..1..0..0..1..0..0..1
..0..0..1..0..0..1..0..0....0..0..0..0..2..2..0..2....1..0..0..0..1..0..0..0
..2..0..0..0..0..0..0..3....1..0..1..0..2..2..2..0....1..0..2..0..1..0..2..2
..2..0..1..0..3..3..0..0....0..0..1..0..2..3..2..2....0..0..2..0..1..0..2..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 16 2012
STATUS
approved