OFFSET
1,1
COMMENTS
Column 7 of A201847
EXAMPLE
Some solutions for n=2
..1..1..1.-1.-1..1..0....1..0.-1.-1..1.-1.-1...-1..0..1..1..1..0..0
.-1.-1..1.-1.-1..1..0....1..0.-1.-1..1..1..1...-1..0.-1.-1.-1..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 06 2011
STATUS
approved