OFFSET
1,2
COMMENTS
Column 8 of A188236
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..25
EXAMPLE
Some solutions for n=4
-10...-7...-7...-8...-4...-9...-6...-4...-5...-9...-7...-6...-8...-4...-6...-7
.-7...-5...-6...-5...-1...-3...-6...-2...-3...-3...-5...-6....0...-3...-2....2
..7....4....4....3....1....3....3....0....1....6....2....2....0...-2...-1....2
.10....8....9...10....4....9....9....6....7....6...10...10....8....9....9....3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 24 2011
STATUS
approved