OFFSET
1,1
COMMENTS
Column 7 of A202076
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
.-4....4....4....2...-6....2....4...-6...-4...-2....2....0....0...-2...-2....2
.-5...-5....7...-5....5...-1...-5....7...-3....7...-3...-3....5....3....3...-7
.-2....2...-4....2....0....0...-2...-2....6...-2....6...-2...-2....4...-2....6
..5...-3...-7...-5...-5...-3....7....1....1...-1...-1....5...-3...-7....1...-7
..6....2....0....6....6....2...-4....0....0...-2...-4....0....0....2....0....6
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 10 2011
STATUS
approved