# [seqfan] Re: Skolem + digits + loop

Eric Angelini Eric.Angelini at kntv.be
Fri Nov 1 10:43:59 CET 2013

```Sorry, folks, the loop was there, under
my very eyes... Always drink an espresso
before sending, I know...

Propulsé d'un aPhone

Le 1 nov. 2013 à 10:40, "Eric Angelini" <Eric.Angelini at kntv.be> a écrit :

>
> Hello SeqFans,
> can't find this seq K in the OEIS...
> K=0,0,1,2,1,3,2,4,5,3,6,7,4,8,5,9,1,6,1,7,0,0,8,2,3,9,2,4,3,5,6,7,4,8,9,5,1,6,1,7,0,0,8,2,9,3,2,4,5,3,6,7,4,8,5,9,1,6,1,7,0,0,8,2,3,9,2,4,3,5,6,7,4,8,9,5,1,6,1,7,0,0,8,2,9,3,2,...
>
> Rules:
> - all integers of K are >= 0 and <= 9
> - there are d integers between each pair of successive d integers
> - K was extended trying always to insert the smallest pair of integers not
> yet inserted in K
> - when the first 9-9 pair of integers has
> been inserted, start a new cycle with
> the second set of pairs (0-0,1-1,2-2,...
> 9-9)
> - Never start a new cycle before the
> previous one has been completed.
>
> Question:
> At some point K has to enter into a loop,
> I guess. But when and which loop?
>
> Best,
> É.
>
>
>
>
> _______________________________________________
>
> Seqfan Mailing list - http://list.seqfan.eu/
```