[seqfan] Re: collatz like sequence
Maximilian Hasler
maximilian.hasler at gmail.com
Fri Jun 10 14:35:21 CEST 2011
see
http://oeis.org/search?q=50,25,74,37,110,55
Maximilian
On Fri, Jun 10, 2011 at 4:35 AM, David Newman <davidsnewman at gmail.com> wrote:
>
> If f(x)= x/2 for x even and f(x)=3x-1 for x odd, then there is more than one
> cycle, unlike the situation for the standard Collatz problem.
>
> For example beginning with x=5 and iterating the function we get
> 5,14,7,20,10,5,...
>
> I formed the sequence of concatenated cycles of f : 1,2,5,14,7,20,10, but
> didn't find it in the encyclopedia. Is this sequence interesting?
>
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