# [seqfan] Re: Silent numbers

Alonso Del Arte alonso.delarte at gmail.com
Wed Nov 29 08:06:17 CET 2023

```Maybe I'll watch his whole 8-minute set tomorrow. But even so, I'm
skeptical that other mathematically interested people listening to him
would come up with the same mathematical interpretation of his joke. This
would suggest the sequence does not merit an OEIS entry.

Al

On Wed, Nov 29, 2023 at 12:12 AM Allan Wechsler <acwacw at gmail.com> wrote:

> I think this is not in OEIS. A close match is A008954, but at A008954(93) =
> 1, where Ali Sada's procedure would give 11. (This is the first time the
> "raw" answer has three digits.)
>
> On Tue, Nov 28, 2023 at 11:17 PM Ali Sada via SeqFan <
> seqfan at list.seqfan.eu>
> wrote:
>
> > Hi everyone,
> > Finnish comedian, ISMO, doesn't like silent letters in English words. He
> > thinks that silent numbers are far more useful, "like I owe you 75
> dollars,
> > but the 7 is silent."
> >
> > Let's say that each positive integer, n, has n dollars. But n owes money
> > to n+1 and it has to give that money back. However, in this world, the
> > even-numbered digits are "silent." For example, 152 becomes 12, and 7643
> > becomes 63, and so on.
> >
> > We start:
> >
> > 1 has one dollar and it gives it to 2. a(1) =1.
> > 2 has 3 dollars now and it gives them to 3. a(2) = 3.3 has 6 dollars now
> > and it gives them to 4. a(3) = 6.4 has 10 dollars now, but it gives 0 to
> 5
> > since the 1 is silent. a(4) = 0.5 has 5 dollars and it gives them to 6.
> > a(5) = 5.
> > And so on.
> > Is this sequence suitable for the OEIS?
> >
> > Best,
> > Ali
> >
> >
> >
> >
> >
> >
> >
> >
> > --
> > Seqfan Mailing list - http://list.seqfan.eu/
> >
>
> --
> Seqfan Mailing list - http://list.seqfan.eu/
>
```