Date: Jan 21, 2013 10:27 PM
Author: dan73
Subject: A strange anomaly in 3n+1

Where (n) is odd and > (1)

2^n-1 seed will always pass through (5) on its
return too 4,2,1,4,2,1...
The only exception being 2^65 -1

Checked through the first 100 odd (n) seeds
where the last odd tested was 2^201 -1
and the only one that does not pass through (5)
is 2^65-1.

Where (n) is odd and > 201, are there
other 2^n -1 seeds that do not pass
through (5) like 2^65-1?

Dan