OFFSET
1,1
COMMENTS
Diagonal of A188358
EXAMPLE
Some solutions for n=4
..2...-2...-3....1....0....4....4....2...-4...-3...-1....4....2...-4...-2....4
..0....1...-4....2...-3....1....2....1...-2....0...-4....0....0....4...-1....4
.-1....3....2...-4...-3....2...-4...-2....1....1....0...-2...-2....4...-1...-3
.-1...-1...-4...-1....3...-1....1...-1....3....0....1....2....2....0....1....2
..1...-2...-1...-2....0....4....4....2...-3...-4...-4....2....2....2...-2....1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 28 2011
STATUS
approved