[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.)





More information about the SeqFan mailing list