[seqfan] Re: A124240 = n's where (p-1)|n for all primes p|n?

Max Alekseyev maxale at gmail.com
Sun Aug 25 17:19:42 CEST 2013


This trivially follows from the formula for A002322(n). And initial 1
is not an exception here.
I've made the corresponding corrections to A124240.
Regards,
Max

On Fri, Jun 27, 2008 at 12:45 PM, Leroy Quet <q1qq2qqq3qqqq at yahoo.com> wrote:
> Does sequence A124240, with the possible exception of the initial 1, also equal the sequence of those positive integers n where (p-1) divides n for all primes p that divide n?
>
> Thanks,
> Leroy Quet
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