OFFSET
1,1
COMMENTS
Row 6 of A189951
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..87
EXAMPLE
Some solutions with n=3
..2...-1....1...-2...-3....1...-1...-2....1...-2....1...-3...-1...-3...-3...-1
.-3...-2...-2....2...-1...-1....2...-2...-2...-2...-3....3...-2...-1....3....1
..2....2...-1...-1....1...-3...-1....2....2....1....2...-1...-1....2....1....2
.-2...-3...-1...-3....2....2....1....2....2....3....1...-1....3....2....1...-1
..2...-1...-1....1...-2....3...-1...-2...-1...-1....3....2...-2...-1...-3....3
.-1...-2...-3....3...-1...-1....1....2....2...-1...-3....1....1....1...-1....3
..3...-2....3....1....3....1....2...-1...-2...-2....2....3...-2...-2...-2....3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin May 02 2011
STATUS
approved