[seqfan] Re: Help needed with A249517.

Frank Adams-Watters franktaw at netscape.net
Thu Nov 13 09:07:50 CET 2014


Now, are there any more before (10^111-1)/9?

Franklin T. Adams-Watters

-----Original Message-----
From: Sean A. Irvine <sairvin at gmail.com>
To: Sequence Fanatics Discussion list <seqfan at list.seqfan.eu>
Sent: Thu, Nov 13, 2014 1:54 am
Subject: [seqfan] Re: Help needed with A249517.


Confirmed by exhaustive search 11111111111 is the next term.

Sean.


On Thu, Nov 13, 2014 at 6:40 PM, Neil Sloane <njasloane at gmail.com> 
wrote:
> Dear Seq Fans, A250000 has been reserved for
> the best sequence submitted in recent months.
> We would like to get some suggestions - send them to me - we have
> deliberately left the rules somewhat vague...
>
> Secondly, Jaroslav Krizek has submitted an interesting sequence, 
A249517:
> Numbers n for which the digital sum A007953(n) and the digital product
> A007954(n) both contain the same distinct digits as the number n.
>
> The known terms are 0 1 2 3 4 5 6 7 8 9 and
> it is conjectured that the next term is
> 11111111111 - this is not so big - could someone check if it really 
is the
> next term? Until then the sequence can't really be accepted because it
> overlaps with too many other sequences.
>
> Thanks!
>
> Neil
>
> _______________________________________________
>
> Seqfan Mailing list - http://list.seqfan.eu/

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