OFFSET
1,2
COMMENTS
Column 3 of A199530
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
EXAMPLE
Some solutions for n=5
..3...-2...-3...-1....0....1....3...-2....1....3...-2....0....1....2...-3....3
.-3....1....2....1....2....3....0....0...-3....3....0...-3...-3....1...-1...-2
..2....1...-3....0...-2...-1....1....2....0...-3...-1....1....2...-2....3....1
.-3....3....3....1...-2...-1...-3...-2...-1....0....3....2....1...-3...-2...-2
..1...-3....1...-1....2...-2...-1....2....3...-3....0....0...-1....2....3....0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 07 2011
STATUS
approved