OFFSET
1,1
COMMENTS
Row 6 of A199909
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
FORMULA
Empirical: a(n) = 2*a(n-1) -a(n-2) +4*a(n-3) -8*a(n-4) +4*a(n-5) -6*a(n-6) +12*a(n-7) -6*a(n-8) +4*a(n-9) -8*a(n-10) +4*a(n-11) -a(n-12) +2*a(n-13) -a(n-14)
EXAMPLE
Some solutions for n=6
.-1....2....5...-1...-4...-5...-3....4....2...-1...-5....0...-2...-2...-5....3
.-5....3....4....1....6....2....1...-1...-5...-3....5....5....3....0....3....4
.-1....4....5...-4....1....1....2....0....5....4...-2....1...-2...-4...-2....0
..0...-4...-3....3...-4....3....3...-4...-6...-4....0...-6....0....4....3...-1
..1...-3...-5...-5....6...-1....1....6....1....3....5....4...-2...-4...-5...-5
..6...-2...-6....6...-5....0...-4...-5....3....1...-3...-4....3....6....6...-1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 11 2011
STATUS
approved