OFFSET
1,1
COMMENTS
Column 4 of A202076
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
.-4...-4....4....2....0....2....4....0....0....0...-2....4....2...-4...-4....4
..3...-1...-1...-3....1....3....3....1...-3...-3....3...-1....1....3...-1...-1
..0....4....2....2...-2....0...-4....4....2...-2...-4...-4....0....0....4...-4
.-1....3...-1...-3....1...-3...-3...-3....1....1...-1...-1....1...-3...-3...-3
..2...-2...-4....2....0...-2....0...-2....0....4....4....2...-4....4....4....4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 10 2011
STATUS
approved