this is the forest hyper-primeval ...

[Jon Awbrey]

o~~~~~~~~~o~~~~~~~~~o~~~~~~~~~o~~~~~~~~~o~~~~~~~~~o

sequestrians --

the other name assoc with this is a.a. mullin,
also goldstein (?) from papers in the 20's (?)

for ease of reverence, i started putting what old notes
i could find on the general subject of this entish lore
in the archives of the inquiry and ontology lists, here
and there --

COPAS.  Content Or Predicate Addressable Sequences

01.  http://stderr.org/pipermail/inquiry/2003-November/000953.html
02.  http://stderr.org/pipermail/inquiry/2003-November/000955.html
03.

RARA.   Riffs And Rote Arithmetic -- Ontology List

01.  http://suo.ieee.org/ontology/msg05199.html
02.  http://suo.ieee.org/ontology/msg05198.html
03.  http://suo.ieee.org/ontology/msg05200.html
04.  http://suo.ieee.org/ontology/msg05201.html
05.

RARA.   Riffs And Rote Arithmetic -- Inquiry List

01.  http://stderr.org/pipermail/inquiry/2003-November/000951.html
02.  http://stderr.org/pipermail/inquiry/2003-November/000952.html
03.  http://stderr.org/pipermail/inquiry/2003-November/000954.html
04.  http://stderr.org/pipermail/inquiry/2003-November/000956.html
05.

but it will be 2m&4 b4 i can get back to this ...

happy solstice --

ja

o~~~~~~~~~o~~~~~~~~~o~~~~~~~~~o~~~~~~~~~o~~~~~~~~~o

Antti Karttunen wrote:
> 
>  > Date: Sat, 6 Dec 03 19:03:43 -0700
>  > From: Leroy Quet <qq-quet at mindspring.com>
>  > To: seqfan at ext.jussieu.fr
>  > Subject: 'Super-Factoring' An Integer
>  >
>  > I posted here about some sequence a while back where the sequence's closed-form was:
>  >
>  > c(m) =
>  >
>  > the number of e()'s where:
>  >
>  > e(e(e(...e(m)...))) = 0,
>  >
>  > and e(m) is a nonnegative integer such that:
>  > 2^e(m) is the highest power of 2 dividing m.
> 
> i.e. e(m) is A007814(m)
> and c(m) you have now submitted as A089242,
> i.e. #iterates_of_A007814 until a zero is encountered.
> (the "A007814-persistence of n", or maybe + 1, depending
> on how you count).

<...>

o~~~~~~~~~o~~~~~~~~~o~~~~~~~~~o~~~~~~~~~o~~~~~~~~~o
http://www.cs.bsu.edu/homepages/mighty/history.html
o~~~~~~~~~o~~~~~~~~~o~~~~~~~~~o~~~~~~~~~o~~~~~~~~~o