OFFSET
1,2
COMMENTS
Column 2 of A184061
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..40
EXAMPLE
Some solutions for n=4
..2...-2....0....2...-2....0....0...-1....2...-1...-1...-1...-2....2....1....2
.-2....1....1....0....0...-2...-2....0....1....0....0....2....0....0....1...-1
.-1....0....0....0...-2...-2....0....0...-2....0....0....0....0....2...-1....1
..0....2...-2...-2....2....2...-2...-2....1....1....0...-1....0...-2....0....1
..0....1....1....0....2....0....2....2...-1....2....0...-2....2...-2....1...-2
..1...-2....0....0....0....2....2....1...-1...-2....1....2....0....0...-2...-1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 09 2011
STATUS
approved