OFFSET
1,2
COMMENTS
Column 7 of A199909
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
EXAMPLE
Some solutions for n=6
.-2...-1....2...-7...-5...-2...-2...-2...-4...-5...-2...-4...-2...-3....4....0
.-1....7....7....1...-6....5...-1...-1....1...-3....5...-3....3...-7....3...-7
..4....0....5....2....5...-3....6...-6...-6....5....6....7....4....1...-1....4
.-1...-5...-5....6...-5....2...-7...-4....4...-5....2....5...-3....6...-5....2
..1....3...-7....1....6...-2....0....7....0....3...-5...-2....4...-4...-4...-5
.-1...-4...-2...-3....5....0....4....6....5....5...-6...-3...-6....7....3....6
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 11 2011
STATUS
approved