OFFSET
1,1
COMMENTS
Column 8 of A189951
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..65
EXAMPLE
Some solutions with n=3
.-6...-6...-5....7....1...-2...-3....7...-6....7....3....6....1....7...-2....5
.-6...-5....2...-2....4....8....2....3...-1....2...-5...-3....4...-1....8....2
.-1....2....1...-1...-5...-6...-5...-4....6...-3....7....8...-5....6...-6...-1
..1....7...-3....2...-6....1....4...-5...-5...-4....5....5...-8....5...-3....3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin May 02 2011
STATUS
approved