[seqfan] Re: Next perfect power number?

Zak Seidov zakseidov at mail.ru
Mon Jul 18 01:19:08 CEST 2016


 Great!
(The last) MMa in A001597 is similar 
to "my code" and even better.
Thx,
Zak


>Воскресенье, 17 июля 2016, 16:51 +03:00 от "Harvey P. Dale" <hpd at hpdale.org>:
>
>Zak:
>  Take a look at the last Mma program in A001597.
>  Best,
>  Harvey
>
>-----Original Message-----
>From: SeqFan [mailto:seqfan-bounces at list.seqfan.eu] On Behalf Of Zak Seidov via SeqFan
>Sent: Sunday, July 17, 2016 8:46 AM
>To: Sequence Fanatics Discussion list < seqfan at list.seqfan.eu >
>Cc: Zak Seidov < zakseidov at mail.ru >
>Subject: [seqfan] Next perfect power number?
>
> Dear seqfans,
>
>Plz help with the best (fastest) code in PARI/Mma for finding ppn next to given n (which itself is ppn).
>Interval between consecutive ppn's
>generally increases and checking each n+1, n+2,... is very slow (for large n's).
>
>Thx, Zak
>
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