OFFSET
1,2
COMMENTS
Column 5 of A201847
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..16
EXAMPLE
Some solutions for n=3
..1.-1..0..1.-1...-1..1..0..0..0...-1.-1.-1..1..0....0..1..1..1..0
..1.-1..0..1.-1...-1..1.-1.-1..1...-1..0..1..1..0....0.-1.-1.-1..0
..0..0..0..0..0....0..0.-1..1..1...-1..0..1..1..0....1..1.-1.-1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 06 2011
STATUS
approved