OFFSET
1,1
COMMENTS
Column 2 of A198642
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
FORMULA
Empirical: a(n) = 78*a(n-1) -569*a(n-2) -11744*a(n-3) +71840*a(n-4) +745984*a(n-5) -2507008*a(n-6) -18538496*a(n-7) +36110336*a(n-8) +142606336*a(n-9) -268435456*a(n-10)
EXAMPLE
Some solutions for n=3
..0..1..0..2....0..1..0..1....0..1..0..1....0..1..0..1....0..1..0..1
..1..0..1..0....1..0..1..0....1..0..2..0....1..0..1..0....1..0..2..0
..2..1..2..1....2..2..0..1....2..1..0..1....2..1..0..1....2..1..0..1
..1..2..1..2....2..2..1..0....0..2..1..2....1..2..1..0....1..2..1..2
..2..0..2..0....0..1..2..1....2..1..2..0....0..1..0..2....2..1..0..1
..1..2..0..1....1..0..1..0....0..2..1..2....1..0..2..1....1..2..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 27 2011
STATUS
approved