OFFSET
1,1
COMMENTS
Column 3 of A199832
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
EXAMPLE
Some solutions for n=3
.-1...-2....3...-3....0....0...-3....2....1....0....1....2...-1....1....3....0
.-1...-3...-2...-2....2....1....1....3...-2....1....2...-1....2....3....0....1
..3....0....1....3...-1...-3....3....1....0...-2...-1....2....1....1...-1....0
.-2....3...-3....3....2....0...-1...-3...-1...-1...-3...-3....0...-3...-2....2
..1....2....1...-1...-3....2....0...-3....2....2....1....0...-2...-2....0...-3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 11 2011
STATUS
approved