OFFSET
1,1
COMMENTS
Column 5 of A222541
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..104
EXAMPLE
Some solutions for n=3
..0..0..0..0..1....0..0..0..0..0....0..0..1..0..0....0..0..0..0..0
..0..0..0..0..0....0..0..0..0..0....0..0..0..0..0....0..0..0..0..1
..1..0..0..0..0....0..0..0..0..0....0..0..0..0..1....0..0..0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 24 2013
STATUS
approved