OFFSET
1,1
COMMENTS
Row 5 of A188249
EXAMPLE
Some solutions for n=4
..1....2...-3...-1...-1....1...-1....4...-1....4...-1....4...-1....2....4....3
.-2....1....3....3...-2....1....3...-1....1....3....2....4...-3....3...-3...-2
..4....4....4....3...-2....2....1...-4...-3...-3...-1....2...-3...-1...-4....1
..2...-4...-4...-4...-2....3....2....3...-1....1....1...-2....4...-1...-1....4
.-3...-4...-4...-1....1...-2...-3....3....2....1....4....4....4...-2....4....2
.-4....3....3....2...-4....1...-4....3....1....1....1...-2...-2...-3...-3....4
..1....2....3....2....1...-1....2...-2....1...-2...-3....2....4....4...-4...-3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 25 2011
STATUS
approved