OFFSET
1,1
COMMENTS
Column 5 of A208050
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 22*a(n-1) -177*a(n-2) +832*a(n-3) -2664*a(n-4) +5408*a(n-5) -4544*a(n-6) -7936*a(n-7) +24064*a(n-8) -16384*a(n-9) for n>10
EXAMPLE
Some solutions for n=4
..0..1..0..1..2....0..1..0..1..0....0..1..0..1..2....0..1..0..1..0
..2..3..2..3..0....2..3..2..3..2....3..2..3..0..3....2..3..2..3..1
..0..1..0..1..2....0..1..0..1..3....1..0..1..2..0....1..0..1..0..2
..3..2..3..0..3....2..3..2..0..1....2..3..0..1..2....2..3..2..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 22 2012
STATUS
approved