[seqfan] Re: A069585 n - largest prime power <= n

[israel at math.ubc.ca]

Normally, with an old sequence such as this we try to keep the Data
and make sense of it by changing the Name.  But in this case I don't
see any sense in it at all. I think we should correct the Data. 

Cheers,
Robert 

On May 10 2024, Sean A. Irvine wrote:

>Hi,
>
>Something seems off with A069585.
>
>https://oeis.org/A069585
>
>I messaged Amarnath, but did not yet receive a response, so perhaps someone
>else can see what is wrong here.
>
>It looks like for the prime powers p^k that you require k>1 (otherwise
>a(p)=0 should be 0 for every prime p), but then I do not understand why
>a(2)=a(3)=0.
>
>Also, why are a(15)=0, a(24)=0. Is the indexing somehow off by 1?
>
>Sean.
>
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>
>