The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A246392 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A246392

Numbers n such that Phi(10, n) is prime, where Phi is the cyclotomic polynomial.
(history; published version)

#32 by Charles R Greathouse IV at Thu Sep 08 08:46:09 EDT 2022

PROG

(MAGMAMagma) [n: n in [1..500]| IsPrime((n^5+1) div (n+1))]; // Vincenzo Librandi, Nov 14 2014

Discussion

Thu Sep 08

08:46

OEIS Server: https://oeis.org/edit/global/2944

#31 by OEIS Server at Wed Mar 23 14:45:21 EDT 2022

LINKS

Ray Chandler, <a href="/A246392/b246392_1.txt">Table of n, a(n) for n = 1..10000</a> (first 893 terms from Robert Price)

#30 by Ray Chandler at Wed Mar 23 14:45:21 EDT 2022

STATUS

editing

approved

Discussion

Wed Mar 23

14:45

OEIS Server: Installed new b-file as b246392.txt.  Old b-file is now b246392_1.txt.

#29 by Ray Chandler at Wed Mar 23 14:45:09 EDT 2022

LINKS

Robert Price, Ray Chandler, <a href="/A246392/b246392_1.txt">Table of n, a(n) for n = 1..10000</a> (first 893</a> terms from Robert Price)

CROSSREFS

Cf. A060884, A085398, A259257.

STATUS

approved

editing

#28 by Alois P. Heinz at Tue Jun 23 03:17:23 EDT 2015

STATUS

reviewed

approved

#27 by Michel Marcus at Tue Jun 23 02:40:18 EDT 2015

STATUS

proposed

reviewed

#26 by Robert Price at Mon Jun 22 22:17:55 EDT 2015

STATUS

editing

proposed

#25 by Robert Price at Mon Jun 22 22:17:47 EDT 2015

LINKS

OEIS Wiki, <a href="https://oeis.org/wiki/Cyclotomic Polynomials at x=sigma(n)">Cyclotomic Polynomials at x=sigma(n)</a>

#24 by Robert Price at Mon Jun 22 22:16:48 EDT 2015

LINKS

Robert Price, <a href="/A246392/b246392.txt">Table of n, a(n) for n = 1..893</a>

STATUS

approved

editing

#23 by Charles R Greathouse IV at Sat Nov 15 01:08:18 EST 2014

STATUS

reviewed

approved