OFFSET
1,2
COMMENTS
Column 3 of A199704
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
EXAMPLE
Some solutions for n=5
..1....0....2...-3....1...-3...-2...-3...-2....0....1....2....2....2...-2....0
.-1....1....0....1....2....2....1....3...-1....2....2....0....0...-2...-3....3
.-3...-1....1...-2...-2....1...-2....0....0....1...-3...-1...-3....3....3....2
..3...-2...-3....1....0...-2....2....1....3...-2....1....1...-1...-1....2...-3
..0....2....0....3...-1....2....1...-1....0...-1...-1...-2....2...-2....0...-2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 09 2011
STATUS
approved