OFFSET
1,2
COMMENTS
Column 6 of A183927
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..71
EXAMPLE
Some solutions for n=4
.-4...-2...-4...-4...-4...-2...-3...-3...-3...-1...-5...-5...-4...-3....0...-2
.-3...-2...-2...-1....0...-2...-3...-1...-2...-1...-1....0....0...-2....0...-2
..3....2....0....0....1...-2....3....1....1....1....2....0....2....0....0....0
..4....2....6....5....3....6....3....3....4....1....4....5....2....5....0....4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 08 2011
STATUS
approved