OFFSET
1,1
COMMENTS
Column 7 of A200553.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..83
EXAMPLE
Some solutions for n=3
.-6....1...-7....5....0...-6....4....1....1....0....1...-4....7...-6...-3....2
..2...-3....5...-4....2....5...-6...-2....3...-1....2....0...-1....6...-4....0
..1...-2....2...-1...-4....4...-2....5....1....5....1....3....4...-1...-2....3
..2....1...-3....5...-4....2....4...-3....2...-2...-5....2...-3....1....5...-5
..1....3....3...-5....6...-5....0...-1...-7...-2....1...-1...-7....0....4....0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 19 2011
STATUS
approved