OFFSET
1,2
COMMENTS
Column 6 of A188122
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..27
EXAMPLE
Some solutions for n=7
.-9..-11..-11...-7..-11..-11...-7..-10..-11...-9..-11...-9...-8..-10...-9..-11
.-4...-6...-3...-4...-7..-10...-6...-9...-8...-5...-7...-6...-7...-9...-8...-7
.-1...-5...-2...-3...-6...-6...-1...-8...-4...-3...-6...-5...-5...-6...-4...-1
..1...-1...-1...-2....2....4....2...-2...-3....1...-2...-1...-3....1....2....1
..3....5....1...-1....3....6....3....8....5....2....6....1....6....5....4....3
..4....8....5....6....8....7....4...10...10....6....9....9....7....8....7....7
..6...10...11...11...11...10....5...11...11....8...11...11...10...11....8....8
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 21 2011
STATUS
approved