[seqfan] Re: list of all non-prime coprimes of the full set of primorial numbers

Neil Sloane njasloane at gmail.com
Thu Apr 20 20:40:18 CEST 2017


There are several things wrong with that submission, and I have recycled it.
I also had to go to the OEIS server and remove the b-file by hand - which is why
you should not submit a b-file before a sequence is approved.
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.
Phone: 732 828 6098; home page: http://NeilSloane.com
Email: njasloane at gmail.com



On Thu, Apr 20, 2017 at 10:37 AM, Neil Fernandez <primeness at borve.org> wrote:
> Hi Jamie,
>
> I don't understand your definition. No composite number (or prime
> number) is coprime with every primorial.
>
> Regards,
>
> Neil
>
>
> In message <1519076981.96001664.1492686862154.JavaMail.zimbra at shaw.ca>,
> Jamie Morken <jmorken at shaw.ca> writes
>>Hi,
>>
>>Here is a sequence I added as a draft: https://oeis.org/draft/A285510
>>
>>It is a list of all non-prime coprimes of the full set of primorial numbers.
>>
>>b-file: https://oeis.org/draft/A285510/b285510.txt
>>
>>ie:
>>Pn(2) has 1 coprime: 1
>>Pn(6) has 2 coprimes: 1,5
>>Pn(30) has 8 coprimes: 1,7,11,13,17,19,23,29
>>Pn(210) has 48 coprimes: etc..
>>
>>The sequence is a complete list of all non-prime coprimes for all Pn.  The
>>sequence starts:
>>
>>1,121,143,169,187,209,221,247,289,299,323,361,377,391,403,437,481,493,527,529,53
>>3,551,559,589,611,629,
>>667,689,697,703,713,731,767,779,793,799,817,841,851,871,893,899,901,923,943,949,
>>961,989,1003,1007,....
>>
>>Only large n values in the sequence will change when larger Pn are added to the
>>set, values up to an increasingly
>>large n will not change as larger Pn are added.
>>
>>cheers,
>>Jamie
>>
>>--
>>Seqfan Mailing list - http://list.seqfan.eu/
>
> --
> Neil Fernandez
>
> --
> Seqfan Mailing list - http://list.seqfan.eu/



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