[seqfan] Re: The a(n)th digit of the sequence is visible in a(n).

Eric Angelini Eric.Angelini at kntv.be
Fri Sep 26 07:50:07 CEST 2014


Hi Bob,
33 says: the 33rd digit of S is visible in '33'.
I've checked -- and indeed, the 33rd digit
of S is 3 (the 3 that belongs to < 23 >)

Best,
É.

Catapulté de mon aPhone

> Le 26 sept. 2014 à 03:24, "Bob Selcoe" <rselcoe at entouchonline.net> a écrit :
> 
> Hi Eric,
> 
> Not sure why 33 is included - is it a typo or am I misunderstanding 
> something?
> 
> Cheers,
> Bob Selcoe
> 
> --------------------------------------------------
> From: "Eric Angelini" <Eric.Angelini at kntv.be>
> Sent: Thursday, September 25, 2014 4:37 PM
> To: "Sequence Discussion list" <seqfan at list.seqfan.eu>
> Subject: [seqfan] The a(n)th digit of the sequence is visible in a(n).
> 
>> 
>> Hello SeqFans,
>> 
>> S=1,2,3,4,5,6,7,8,9,11,13,15,17,19,21,22,25,27,29,31,23,33,37,39,41,24,44,47,49,51,53,45,55,59,61,26,46,66,69,71,73,75,67,77,81,28,48,68,88,91,93,95,97,99,10,20,40,60,80,111,14,16,18,12,112,42,62,82,113,34,36,38,30,114,116,74,90,52,35,56,58,50,121,65,118,117,115,57,78,70,123,85,87,89,119,94,96,79,92,100,...
>> 
>> This is the lexico-first permutation of
>> the integers > 0 such that the a(n)th
>> digit of the sequence is visible in a(n).
>> 
>> Example (read from the present end of S):
>> - the 100st digit of S is 1
>> - the 92nd digit of S is 9
>> - the 79th digit of S is 7
>> - the 96th digit of S is 9, etc.
>> 
>> Best,
>> É.
>> 
>> _______________________________________________
>> 
>> Seqfan Mailing list - http://list.seqfan.eu/
> 
> _______________________________________________
> 
> Seqfan Mailing list - http://list.seqfan.eu/


More information about the SeqFan mailing list