A243458 Primes p such that (p reversed)-3 is also a prime.

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, 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: A018527 A084411 A336300 * A067367 A140386 A105880

Adjacent sequences: A243455 A243456 A243457 * A243459 A243460 A243461

Keyword

nonn,base

Author

Vincenzo Librandi, Jun 05 2014

Status

approved