OFFSET
1,3
COMMENTS
Column 2 of A183944
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..81
EXAMPLE
All solutions for n=4
..1....0...-1....1....0...-2....0....1....2....2...-1....0....0...-1...-2
..0...-1....0....2...-2....0....0....0....0....0....0....2....1...-2....0
..0....0....0...-2....0....0....0...-1....0...-2....1....0....0....2....2
.-1....1....1...-1....2....2....0....0...-2....0....0...-2...-1....1....0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 08 2011
STATUS
approved