OFFSET
1,1
COMMENTS
Column 2 of A268423.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 33*a(n-1) -389*a(n-2) +1865*a(n-3) -2461*a(n-4) -3639*a(n-5) +7361*a(n-6) +2407*a(n-7) -5491*a(n-8) -585*a(n-9) +981*a(n-10) -81*a(n-11)
EXAMPLE
Some solutions for n=5
..0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..0....0..1....0..1
..0..2....1..0....2..3....2..0....2..0....1..2....2..1....1..2....2..2....2..0
..2..1....2..2....2..0....3..3....2..2....1..1....3..1....0..2....3..2....0..0
..1..2....2..2....3..0....3..3....0..0....2..2....2..1....3..1....1..0....1..3
..3..2....0..0....2..3....2..1....3..2....0..0....0..3....0..0....0..2....3..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 04 2016
STATUS
approved