OFFSET
1,2
COMMENTS
Column 7 of A193710
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
EXAMPLE
Some solutions for n=6
.-7...-6....2....4....0...-3...-7...-7....0....1....1....3...-3...-4...-7....1
..7....1....0...-5...-1...-1....7....7....4...-1...-1....2....3....2...-1...-2
.-5....5...-2....7....1....2...-5...-1....3...-7....2....1...-2....2....3....1
..1....4...-5...-6...-2....2....1....3...-7....7....7...-6...-6...-2....5...-4
..3...-4....4....3....7....0....6...-4...-1...-2...-7...-1....6....4....6...-3
..1....4....3...-3...-6...-2...-2....2....5....2...-2....1....2...-2...-6....7
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Aug 02 2011
STATUS
approved