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

[Sean A. Irvine]

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.