OFFSET
1,1
COMMENTS
Column 5 of A219627
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..204
EXAMPLE
Some solutions for n=3
..0..0..0..1..0....1..1..1..1..1....0..0..1..0..1....0..0..1..0..2
..0..1..0..0..0....1..1..1..1..1....0..0..0..0..1....0..0..0..0..2
..1..1..0..1..1....1..2..2..0..0....0..0..1..2..2....2..0..1..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 24 2012
STATUS
approved