OFFSET
1,1
COMMENTS
Column 6 of A226717.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..29
EXAMPLE
Some solutions for n=3
.-1.-1..0..0..1..0...-1.-1..0..1..0..0...-1.-1..0..1.-1..1...-1.-1..0..0.-1..1
..1..1..0..0.-1..0....1..1..0.-1..1..1...-1..1..0.-1..0..0....0..1..0..0.-1..0
..0..1.-1..0..1..0....0.-1..0..0..0.-1....1.-1..1..1..0.-1....1..0..0..0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 15 2013
STATUS
approved