OFFSET
1,2
COMMENTS
Column 2 of A188122
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..31
EXAMPLE
Some solutions for n=6
.-5...-5...-6...-6...-5...-6...-6...-6...-6...-5...-6...-4...-6...-6...-5...-6
.-4...-4...-4...-5...-4...-5...-5...-3...-4...-3...-5...-3...-4...-2...-4...-4
.-1...-1...-2...-1...-2...-4...-3...-2...-1...-1...-1...-1...-2...-1...-2...-1
..1....1....2....3....2....4....3....2....2....2....2....1....3....1....1....2
..4....3....4....4....4....5....5....3....3....3....4....2....4....2....4....4
..5....6....6....5....5....6....6....6....6....4....6....5....5....6....6....5
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 21 2011
STATUS
approved