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A167215
Primes whose reversal + 1 is also prime.
2
2, 61, 211, 271, 277, 283, 601, 613, 631, 643, 661, 691, 829, 853, 883, 2011, 2017, 2029, 2083, 2089, 2143, 2161, 2203, 2221, 2239, 2251, 2269, 2281, 2287, 2293, 2341, 2347, 2371, 2383, 2389, 2467, 2551, 2683, 2719, 2731, 2749, 2767, 2791, 2803, 2851
OFFSET
1,1
COMMENTS
61 is prime and 16+1 = 17 is also a prime.
LINKS
MATHEMATICA
Select[Prime[Range[500]], PrimeQ[IntegerReverse[#] + 1] &] (* Vincenzo Librandi, Feb 25 2020 *)
PROG
(Magma) [p: p in PrimesUpTo(3000) | IsPrime((Seqint(Reverse(Intseq(p)))) + 1)]; // Vincenzo Librandi, Feb 25 2020
CROSSREFS
Cf. A007500.
Sequence in context: A041449 A261944 A142729 * A279624 A088078 A172230
KEYWORD
base,nonn
AUTHOR
Claudio Meller, Oct 30 2009
STATUS
approved