OFFSET
1,2
COMMENTS
Column 3 of A200057
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
EXAMPLE
Some solutions for n=6
.-1...-2....0...-2...-1....1....0...-2...-1....3...-1....1....0....0...-2....1
.-3....0....2....1....1...-2....3....3...-3....0...-3...-2...-1....3....2...-1
..3...-1...-3...-2...-2....3...-1....1....2....2....3....3....3...-1....0....1
.-1....1....2....2....2...-3....3....3...-1...-3....0...-2....0....1....2...-1
..2...-1...-3....0...-2....1...-3...-3....2....1....3....2....1...-3...-2....1
..0....3....2....1....2....0...-2...-2....1...-3...-2...-2...-3....0....0...-1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 13 2011
STATUS
approved