OFFSET
1,2
COMMENTS
Column 4 of A193710
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
EXAMPLE
Some solutions for n=6
..2....1....1....1...-2....0....0....1....0....3....3....2...-1...-4....4...-4
.-2...-4....0...-1....2....3...-2....2....2...-3...-2...-3....0....4....1....2
.-3....1...-3....2...-3...-3....3...-3...-2....3...-2....1....1....1...-4....2
.-2....2....2...-2....1...-4...-1...-3....0...-3....1...-1...-4....0...-1...-1
..1....1....3....1...-1....2...-3....3....0....3...-1....0....4....1....1....3
..4...-1...-3...-1....0....2....4...-3....0...-3....1....1...-1...-2....0...-2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Aug 02 2011
STATUS
approved