OFFSET
1,1
COMMENTS
Column 6 of A202033
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..20
EXAMPLE
Some solutions for n=3
.-1.-1.-1.-1..0..1...-1.-1.-1.-1..0..1...-1.-1..0..0..1..1...-1.-1.-1..0..1..1
.-1.-1..1..1..0..1...-1..0..1..1..1.-1...-1..0.-1..0..1..1...-1..1..1.-1.-1..1
..0..1..0..0..0..1....0..0..0..1..1..0...-1..1..1.-1.-1..1....1..1..1.-1.-1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 09 2011
STATUS
approved