The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A243458 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A243458

Primes p such that (p reversed)-3 is also a prime.
(history; published version)

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

PROG

(MAGMAMagma) [p: p in PrimesInInterval(2, 3000) | IsPrime(q-3) where q is Seqint(Reverse(Intseq(p)))];

Discussion

Thu Sep 08

08:46

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

#4 by N. J. A. Sloane at Thu Jun 05 23:17:23 EDT 2014

STATUS

proposed

approved

#3 by Vincenzo Librandi at Thu Jun 05 15:19:14 EDT 2014

STATUS

editing

proposed

#2 by Vincenzo Librandi at Thu Jun 05 15:18:40 EDT 2014

NAME

allocated for Vincenzo LibrandiPrimes p such that (p reversed)-3 is also a prime.

DATA

5, 23, 29, 41, 43, 47, 61, 67, 211, 227, 229, 239, 241, 251, 263, 277, 281, 283, 293, 401, 419, 431, 433, 449, 457, 467, 479, 491, 499, 601, 613, 647, 653, 659, 661, 673, 677, 683, 691, 2003, 2029, 2053, 2111, 2113, 2129, 2137, 2141, 2161, 2203, 2207, 2213, 2239

OFFSET

1,1

LINKS

Vincenzo Librandi, <a href="/A243458/b243458.txt">Table of n, a(n) for n = 1..1000</a>

MATHEMATICA

Select[Prime[Range[2, 3000]], PrimeQ[FromDigits[Reverse[IntegerDigits[#]]] - 3]&]

PROG

(MAGMA) [p: p in PrimesInInterval(2, 3000) | IsPrime(q-3) where q is Seqint(Reverse(Intseq(p)))];

CROSSREFS

Cf. similar sequences listed in A243457.

KEYWORD

allocated

nonn,base

AUTHOR

Vincenzo Librandi, Jun 05 2014

STATUS

approved

editing

#1 by Vincenzo Librandi at Thu Jun 05 12:52:33 EDT 2014

NAME

allocated for Vincenzo Librandi

KEYWORD

allocated

STATUS

approved