# [seqfan] Re: Silent numbers

Allan Wechsler acwacw at gmail.com
Wed Nov 29 05:33:54 CET 2023

```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

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
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> --
> Seqfan Mailing list - http://list.seqfan.eu/
>
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