OFFSET
1,1
COMMENTS
Column 7 of A213118
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
..1....1....1....0....0....1....1....1....1....1....1....1....1....0....1....0
..1....0....0....1....1....0....0....1....1....1....0....0....1....0....0....1
..0....0....1....1....0....1....1....0....0....0....0....0....0....1....0....0
..0....0....0....1....0....0....1....0....0....0....1....0....0....0....1....0
..1....1....0....0....0....0....0....1....1....0....1....0....1....0....1....1
..0....0....0....1....1....1....0....0....1....0....0....1....1....1....0....0
..1....1....1....0....0....0....0....0....0....0....0....1....1....0....0....0
..0....1....1....0....1....1....1....0....0....1....0....1....1....0....1....1
..0....1....1....0....0....0....1....0....0....1....0....0....0....0....1....1
..1....1....1....0....1....0....0....0....1....0....1....0....0....1....1....0
..0....0....0....1....0....1....0....1....0....0....1....0....0....0....0....1
..0....0....0....0....1....0....1....1....0....1....0....0....0....0....0....0
..1....0....0....0....0....1....0....0....0....0....0....1....0....1....0....0
..0....0....0....1....1....0....0....0....0....0....1....0....0....1....0....0
..1....1....1....0....0....0....1....0....0....0....0....0....0....0....0....0
..0....0....0....0....0....1....0....1....1....0....0....0....1....1....0....1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jun 05 2012
STATUS
approved