OFFSET
1,1
COMMENTS
Column 6 of A219627
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..65
EXAMPLE
Some solutions for n=3
..0..0..0..1..1..1....0..0..0..0..0..1....0..0..0..0..0..1....0..0..1..1..1..1
..0..1..0..1..1..2....0..0..0..1..1..1....0..0..0..0..2..2....0..0..1..0..1..1
..0..0..0..2..0..0....0..0..1..2..0..0....0..0..2..2..0..0....2..0..0..0..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 24 2012
STATUS
approved