OFFSET
1,3
COMMENTS
Column 5 of A183944
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..21
EXAMPLE
Some solutions for n=4
.-4...-3...-2....4...-4....5...-1....0....1...-4....0...-1....0....2...-5...-3
..0....0....0...-1....0....0....0....2....2....1...-4...-2....5....0....0....0
..0....0....0...-2....4...-5....1....0....1....2....0...-1....0....0....5....3
..4....3....2...-1....0....0....0...-2...-4....1....4....4...-5...-2....0....0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 08 2011
STATUS
approved