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 A051649 #20 Feb 24 2025 02:03:17
%S A051649 4621,11551,25411,43891,108571,164011,168631,224071,251791,261031,
%T A051649 316471,321091,348811,376531,385771,459691,528991,552091,607531,
%U A051649 626011,718411,723031,732271,764611,801571,815431,875491,995611,1000231,1055671,1064911,1106491,1161931
%N A051649 Primes of the form 2310*p + 1 where p is a prime.
%C A051649 Generalization of A005385; can be called 2310-safe primes.
%C A051649 A002110(5)*p + 1 = 2310*p + 1 (prime).
%H A051649 Amiram Eldar, <a href="/A051649/b051649.txt">Table of n, a(n) for n = 1..10000</a> (terms 1..1000 from Harvey P. Dale)
%F A051649 a(n) = 2310 * A051653(n) + 1. - _Amiram Eldar_, Feb 24 2025
%e A051649 11551 is a term because 11551 = 2310*p + 1 is prime, where p = 5.
%t A051649 Select[Table[2310n+1,{n,Prime[Range[100]]}],PrimeQ] (* _Harvey P. Dale_, Jan 18 2017 *)
%o A051649 (PARI) isok(k) = isprime(k) && k % 2310 == 1 && isprime((k-1)/2310); \\ _Amiram Eldar_, Feb 24 2025
%Y A051649 Cf. A002110, A005384, A005385, A007693, A051653.
%K A051649 nonn
%O A051649 1,1
%A A051649 _Labos Elemer_