login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A243458 Primes p such that (p reversed)-3 is also a prime. 2
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

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.

Sequence in context: A196243 A018527 A084411 * A067367 A140386 A105880

Adjacent sequences:  A243455 A243456 A243457 * A243459 A243460 A243461

KEYWORD

nonn,base

AUTHOR

Vincenzo Librandi, Jun 05 2014

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 16 06:46 EDT 2019. Contains 324145 sequences. (Running on oeis4.)