OFFSET
1,2
COMMENTS
Column 7 of A199704
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
EXAMPLE
Some solutions for n=5
.-4....2....0....6....3....2...-1...-1....2....2...-4...-1....3....4....2...-4
..1...-7...-1...-4....2...-5....3...-6....0....3...-1....6...-4...-3....0....7
..4....2....6...-5...-2...-6...-5....4...-1...-5....6...-2...-6...-5...-3...-2
.-1...-1...-1...-1...-3....3....6....1....0....6...-7...-4....1...-1....4....6
..0....4...-4....4....0....6...-3....2...-1...-6....6....1....6....5...-3...-7
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 09 2011
STATUS
approved