OFFSET
1,1
COMMENTS
Row 6 of A190071
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..126
EXAMPLE
Some solutions for n=4
..2...-3...-4....4...-1...-4....4...-1...-4...-3....2...-3....4...-3...-2....4
.-1....1....1...-2...-3...-4...-2...-3...-2...-1...-3...-1...-4...-2...-1...-2
.-4....2....3...-3....2...-2...-3....2...-2...-4....4....4...-3....3...-4....3
..4....1....3....4....1....1....4....3....4...-4....1...-2....2....3....1...-4
..4...-2...-4...-4...-1...-2....3...-4...-1....1...-1...-2....1....3....1...-2
.-4...-1...-2...-3....3....1...-2....4...-2...-2....2....3....4...-3...-1...-1
.-2....1...-3...-4....3....1...-1....2...-3....4...-2....4...-4....2...-4....3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin May 04 2011
STATUS
approved