[seqfan] Re: Do 20 and 105 eventually reach a prime in these sequences?
Marc LeBrun
mlb at well.com
Wed Sep 14 16:08:20 CEST 2011
>="Charles Greathouse" <charles.greathouse at case.edu>
> suggests a sequence 4, 9, 16, 18, 25, 36, 49, ... "Numbers n for which
> the exponent of the largest prime factor of n is even.". Worth
> submitting?
>
Absolutely! Please do!
(I continue to be surprised by the frequency of these queries I'm hearing.
I feel another lecture coming on about the peril posed by too much
(self)censorship of submissions to the OEIS.)
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