Emeric Deutsch wrote:
> Any more precise explanation?
Not from me, sorry... but superseeker might be able to help you
with your example, one of my scripts displays:
1 1 2 5 13 33 80 185 411 885 1862
F(n) = (2**n) -1/6*(n**3) +1/2*(n**2) -7/3*n +1
F(12) = 3853, F(0) = 2
Bye, Frank