OFFSET
1,2
COMMENTS
Column 5 of A183927
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..169
EXAMPLE
Some solutions for n=4
.-5...-5...-3...-3...-2...-3...-4....0...-4...-4...-2...-3...-2...-1...-2...-3
..1....0...-3...-3...-1....0...-1....0....0....1...-1...-2...-2...-1...-2...-2
..2....2....3....2....0....1....2....0....1....1....1....0....0...-1....2....1
..2....3....3....4....3....2....3....0....3....2....2....5....4....3....2....4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 08 2011
STATUS
approved