OFFSET
1,1
COMMENTS
Column 6 of A222573
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..29
EXAMPLE
Some solutions for n=3
..0..1..0..0..0..0....0..0..0..0..1..0....0..1..1..1..1..1....0..0..0..0..0..1
..1..0..0..0..0..0....0..0..0..0..2..1....0..1..1..1..1..1....0..0..0..0..0..1
..2..0..0..0..0..0....0..0..0..0..0..1....2..1..1..1..1..0....1..0..0..0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 25 2013
STATUS
approved