# [seqfan] Re: Concatenating multiplications and successive results

Neil Sloane njasloane at gmail.com
Mon Nov 4 19:32:27 CET 2013

```Eric, Very nice, as always! I hope someone will put it into the OEIS

I don't always say that to the list - but it is
always true - your sequences are superb, unique,
always interesting - and should always be added to
the OEIS!

On Mon, Nov 4, 2013 at 1:22 PM, Eric Angelini <Eric.Angelini at kntv.be> wrote:

> Hello SeqFans,
>
> Consider S:
>
> S = 1,11,22,12,24,14,28,18,216,16,212,48,324,312,612,714,416,318,432, ...
>
> This is kind of concatenating multiplications and successive results:
>
>        1x1=1
>          1x2=2
>          . 2x1=2
>          . . 2x2=4
>          . . . 4x1=4
>          . . . . 4x2=8
>          . . . . . 8x1=8
>          . . . . . . 8x2=16...
>
>          1 2 1 2 1 2 1
>          1 2 2 4 4 8 8
>
> Reading vertically those two last lines, we see S:
>
>     S=11,22,12,24,14,28,18,...
>
> More here -- and help wanted, if of interest:
> Best,
> É.
>
>
> _______________________________________________
>
> Seqfan Mailing list - http://list.seqfan.eu/
>

--
Dear Friends, I have now retired from AT&T. New coordinates:

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.