OFFSET
1,1
COMMENTS
Column 1 of A206318
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 5*a(n-1) +21*a(n-2) +13*a(n-3) -31*a(n-4) -17*a(n-5) +34*a(n-6) +2*a(n-7) -9*a(n-8) -a(n-9)
EXAMPLE
Some solutions for n=4
..2..2....3..0....0..1....3..2....1..1....0..1....3..1....2..0....1..0....2..2
..0..3....2..2....1..3....0..3....3..2....1..2....3..2....1..1....0..1....0..3
..3..0....0..3....2..1....3..0....0..3....0..2....1..3....3..2....1..2....2..1
..0..1....1..0....1..0....1..3....2..0....2..1....3..0....2..1....2..1....1..0
..2..3....2..1....3..1....2..1....0..1....0..3....1..1....3..2....0..2....2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2012
STATUS
approved