The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A163427

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A163427

Primes p such that (p+1)^3/8+(p-1)/2 is also prime.
(history; published version)

#12 by Charles R Greathouse IV at Thu Sep 08 08:45:46 EDT 2022

PROG

(MAGMAMagma) [p: p in PrimesInInterval(3, 1200) | IsPrime((p+1)^3 div 8+(p-1) div 2)]; // Vincenzo Librandi, Apr 09 2013

Discussion

Thu Sep 08

08:45

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

#11 by Bruno Berselli at Wed Apr 10 03:10:35 EDT 2013

STATUS

reviewed

approved

#10 by Joerg Arndt at Wed Apr 10 02:17:50 EDT 2013

STATUS

proposed

reviewed

#9 by Joerg Arndt at Wed Apr 10 02:17:46 EDT 2013

STATUS

editing

proposed

#8 by Joerg Arndt at Wed Apr 10 02:17:20 EDT 2013

COMMENTS

Primes A000040(k) such that (A006254(k-1))^3+ A005097(k-1) are is also prime numbers.

STATUS

proposed

editing

#7 by Bruno Berselli at Tue Apr 09 16:59:56 EDT 2013

STATUS

editing

proposed

#6 by Bruno Berselli at Tue Apr 09 16:59:38 EDT 2013

NAME

Primes p such that (p+1)^3/8+(p-1)/2 are is also prime numbers.

STATUS

proposed

editing

#5 by Vincenzo Librandi at Tue Apr 09 14:20:17 EDT 2013

STATUS

editing

proposed

#4 by Vincenzo Librandi at Tue Apr 09 14:20:01 EDT 2013

LINKS

Vincenzo Librandi, <a href="/A163427/b163427.txt">Table of n, a(n) for n = 1..1000</a>

MATHEMATICA

Select[Prime[Range[100]], PrimeQ[(# + 1)^3 / 8 + (# - 1) / 2]&] (* Vincenzo Librandi, Apr 09 2013 *)

PROG

(MAGMA) [p: p in PrimesInInterval(3, 1200) | IsPrime((p+1)^3 div 8+(p-1) div 2)]; // Vincenzo Librandi, Apr 09 2013

CROSSREFS

Cf. A162652, A163418, A163419, A163420, A163421, A163422, A163424, A163425, A163426.

KEYWORD

nonn,easy

STATUS

approved

editing

#3 by Russ Cox at Sat Mar 31 12:38:26 EDT 2012

AUTHOR

_Vladimir Joseph Stephan Orlovsky (4vladimir(AT)gmail.com), _, Jul 27 2009

Discussion

Sat Mar 31

12:38

OEIS Server: https://oeis.org/edit/global/876