[seqfan] Re: Next perfect power number?

Harvey P. Dale hpd at hpdale.org
Sun Jul 17 15:51:22 CEST 2016

  Take a look at the last Mma program in A001597.

-----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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