[seqfan] Re: Largest k such that n is a perfect k-th power.

[israel at math.ubc.ca]

A052409.  a(16) should be 4, not 2.

Cheers,
Robert

On Oct 16 2019, Allan Wechsler wrote:

>This sequence is not defined for n=1, since 1 is a perfect k-th power for
>all k. But with offset 2, we get:
>
>1,1,2,1,1,1,3,2,1,1,1,1,1,1,2,...
>
>which is not currently in OEIS. Now, it's a very boring sequence -- by far
>most of the entries are 1. But I was surprised that this simple idea wasn't
>already collected. Which is why I'm asking if there's a good reason for
>this (like, my data is wrong? or an easy transform is already collected?)
>instead of just creating a new entry. Any insights, sequence fans?
>
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>
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