OFFSET
1,1
COMMENTS
Row 7 of A199847
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
FORMULA
Empirical: a(n) = 2*a(n-1) -a(n-3) -a(n-5) +a(n-6) -2*a(n-7) +2*a(n-8) +a(n-9) -a(n-13) -2*a(n-14) +2*a(n-15) -a(n-16) +a(n-17) +a(n-19) -2*a(n-21) +a(n-22) for n>24
EXAMPLE
Some solutions for n=6
..5....5....4....4....2....1....5....4....3....0....4....2....5....6....5....3
..4....6....3...-1....3....1....4....5....1....0....4....3....4....5....5....1
..0....2....3....0....1....2....4....3...-1....1...-2....4....4....3....4....1
..0....2...-1....0...-1....2....2...-3....0....2...-1....0....2....3...-5....1
.-2...-5....0....0....0...-2...-3...-2...-1....1....0....1...-5...-5...-4....0
.-3...-5...-5....0...-3...-1...-6...-1....0....0...-2...-5...-5...-6...-3...-3
.-4...-5...-4...-3...-2...-3...-6...-6...-2...-4...-3...-5...-5...-6...-2...-3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 11 2011
STATUS
approved