[seqfan] Re: Erroneous Approved Sequences

[Sean A. Irvine]

I think they are fine as they are.

A025586 corresponds to "trajectory" which has the implication that it
terminates when 1 is reached.
A056959 corresponds to iterating the function and need not terminate when 1
is reached.

Sean.

On Mon, 21 Oct 2019 at 08:38, P. Michael Hutchins <pmh232 at gmail.com> wrote:

> These two sequences can't both be right:
> (I think A025586 is.)
>
> A056959  In repeated iterations of function m->m/2 if m even, m->3m+1 if m
> odd, a(n) is maximum value achieved if starting from n.
> 4, 4, 16, 4, 16, 16, 52
>
> A025586  Largest value in '3x+1' trajectory of n.
> 1, 2, 16, 4, 16, 16, 52
>
> Given that we're reticent to edit Approved sequences, what should
> be done in this clear case?
>
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