OFFSET
1,2
COMMENTS
Column 4 of A199530.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
EXAMPLE
Some solutions for n=5
..2....4....4....2....1....4....3....2....0...-1....2...-4....2...-2...-4...-3
..1...-3...-1...-3....1...-1...-3...-2....2....4...-2....1...-1....4...-3....4
.-3...-3...-1....1...-3....1....3....2...-1....3...-2....2...-1...-1....0...-2
..2...-1....0....1...-2....0...-1....0....1...-4....3....3...-1...-1....3...-1
.-2....3...-2...-1....3...-4...-2...-2...-2...-2...-1...-2....1....0....4....2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 07 2011
STATUS
approved