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.
%I A049483 #17 Mar 15 2025 06:39:02 %S A049483 23,29,31,37,41,47,61,67,71,73,79,83,89,101,107,113,127,131,137,149, %T A049483 157,163,167,193,211,229,233,239,241,269,281,283,307,311,337,347,349, %U A049483 353,367,373,379,383,389,397,401,409,419,421,431,439,443,457,467,479 %N A049483 Primes p such that p + 2310 is also prime, where 2310 is the 5th primorial number A002110(5). %C A049483 p and p+2310 are not necessarily consecutive primes. %H A049483 Amiram Eldar, <a href="/A049483/b049483.txt">Table of n, a(n) for n = 1..10000</a> (terms 1..1000 from Harvey P. Dale) %e A049483 23 is a term since it is prime and 23 + 2310 = 2333 is also prime. %t A049483 Select[Prime[Range[100]],PrimeQ[#+2310]&] (* _Harvey P. Dale_, Nov 15 2012 *) %o A049483 (PARI) isok(p) = isprime(p) && isprime(p + 2310); \\ _Amiram Eldar_, Mar 15 2025 %Y A049483 Cf. A002110, A045320. %Y A049483 Cf. A001359, A023201, A049481, A049482, A049484, A049485, A154114. %K A049483 nonn %O A049483 1,1 %A A049483 _Labos Elemer_