cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A235148 Primes p such that (p reversed) + 5 is also a prime.

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%I A235148 #10 Sep 08 2022 08:46:06
%S A235148 2,23,29,41,47,83,89,227,233,239,251,257,263,269,293,401,419,431,443,
%T A235148 467,491,641,647,827,863,881,2027,2063,2099,2111,2153,2207,2273,2297,
%U A235148 2339,2357,2441,2459,2543,2609,2687,2693,2699,2729,2801,2819,2879,2927,2939,2963
%N A235148 Primes p such that (p reversed) + 5 is also a prime.
%H A235148 Vincenzo Librandi, <a href="/A235148/b235148.txt">Table of n, a(n) for n = 1..1000</a>
%e A235148 47 is in the sequence because 74+5=79 is prime.
%t A235148 Select[Prime[Range[6000]], PrimeQ[FromDigits[Reverse[IntegerDigits[#]]] + 5]&]
%o A235148 (Magma) [p: p in PrimesUpTo(6000) | IsPrime(q + 5) where q is Seqint(Reverse(Intseq(p)))];
%Y A235148 Cf. A165446, A166501, A167460, A167466, A167473.
%K A235148 nonn,base
%O A235148 1,1
%A A235148 _Vincenzo Librandi_, Jan 04 2014