OFFSET
1,2
COMMENTS
Column 4 of A199909.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
EXAMPLE
Some solutions for n=6
..0....3....1....4...-4....4....1....1....2...-2....3....4...-4...-3....2...-2
..2....1...-1...-3....1...-1....0....2...-2....3...-1...-1....4....2...-2....0
.-2...-4....3...-2...-3....3....2...-2....0...-4...-2...-2...-1....1....0....2
.-4....1....4...-1....1....1...-2....0....2...-3....2...-4....1....0....1....0
..1...-1...-3....3....2...-4...-4...-1....1....2...-3....4...-1....1...-1....4
..3....0...-4...-1....3...-3....3....0...-3....4....1...-1....1...-1....0...-4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 11 2011
STATUS
approved