OFFSET
1,1
COMMENTS
Column 3 of A200454
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
EXAMPLE
Some solutions for n=3
.-3...-3....0....2...-1....3....0....0....3....1....1...-2...-3...-1....3...-3
..2....0....2....3....1...-3....3....1...-1...-3...-2...-3....2...-2...-3...-2
.-3...-1...-3...-3...-2...-2....0....3....1....3...-1....0....3....1...-1....2
..3....3...-1...-2....2....2...-2...-3...-3....1....3....2....1...-1....3....1
..1....1....2....0....0....0...-1...-1....0...-2...-1....3...-3....3...-2....2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 18 2011
STATUS
approved