# [seqfan] Re: A new sequence?

Claudio Meller claudiomeller at gmail.com
Sat Sep 17 16:23:59 CEST 2016

```Ah Ok, thanks, they are similar, but in  Rodolfo's sequence there no are
numbers with repeated digits like 22, 11 , etc
Best regards

2016-09-17 10:58 GMT-03:00 Neil Sloane <njasloane at gmail.com>:

> See A067581 !
>
> Best regards
> Neil
>
> Neil J. A. Sloane, President, OEIS Foundation.
> 11 South Adelaide Avenue, Highland Park, NJ 08904, USA.
> Also Visiting Scientist, Math. Dept., Rutgers University, Piscataway, NJ.
> Email: njasloane at gmail.com
>
>
> On Sat, Sep 17, 2016 at 8:48 AM, Claudio Meller <claudiomeller at gmail.com>
> wrote:
>
> > Rodolfo Kurchan propose in a group in facebook (
> >   this sequence : 1,2,3,4,5,6,7,8,9,10,23,14,20,
> 13,24,15,26,17,25,16,27,18
> >
> > Where, starting with a(1)=1, take a(n+1) to be the smallest counting
> number
> > not already in the series, such that a(n) and a(n+1) together repeat no
> > digits.
> >
> > He ask  which is the last number of this sequence, I think that is 78642
> > but I`m not sure.
> > Can somebody confirm?
> >
> > This sequence is similar to A054659 https://oeis.org/A054659,
> > 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 23, 40, 51, 60, 71, 80, 91, 203, 415,
> > 602, 713, 802, 913, 2045, 3167, 4025, 6137, 8024, 9135, 20467, 31589,
> > 40267, 51389, 60247, 81359
> >
> > ​I'm not sure if this sequence is interest for the OEIS​
> >
> > ​Best regards,​
> >
> > --
> > Claudio Meller
> > http://grageasdefarmacia.blogspot.com
> > http://todoanagramas.blogspot.com/
> > http://simplementenumeros.blogspot.com/
> >
> > --
> > Seqfan Mailing list - http://list.seqfan.eu/
> >
>
> --
> Seqfan Mailing list - http://list.seqfan.eu/
>

--
Claudio Meller
http://grageasdefarmacia.blogspot.com
http://todoanagramas.blogspot.com/
http://simplementenumeros.blogspot.com/
```