[seqfan] Re: A question on sequence A174407

[Tim Peters]

[José Hdz. Stgo. <15620 at uagro.mx>]

> I understand the definition of the sequence. My main concern is about the
> assertion in the COMMENT. It reads:
>
>
> a(n) is the number of x with 0 < x < p and g^x == x (mod p)
> With the case of p=17 all I am implying is that this assertion should be
> amended.
>

OK, it should say

a(n) is the number of primitive roots g of p=prime[n] for which an x with 0
< x < p  exists such that g^x == x (mod p).

 Which is really just rearranging the words in the sequence's title ;-)