OFFSET
1,1
COMMENTS
Column 5 of A226717
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..38
EXAMPLE
Some solutions for n=3
.-1.-1..1..1.-1...-1..0..0..0..1...-1..0..0..0..1...-1..0.-1..0..1
..1..1.-1.-1..1....1..0.-1..0.-1....0..0..1.-1..0....1..0..1..0..0
.-1..0..0..1.-1...-1..1..0.-1..1....0..1..0.-1..1....0..0.-1..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jun 15 2013
STATUS
approved