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 A237813 #10 Sep 08 2022 08:46:06 %S A237813 2,11,23,29,41,83,89,113,131,179,191,281,293,359,419,431,491,509,593, %T A237813 641,653,683,719,1019,1049,1103,1229,1289,1409,1451,1511,1583,1601, %U A237813 1811,1889,1931,2003,2039,2069,2129,2141,2273,2393,2399,2459,2543,2549,2699 %N A237813 Primes p such that 2*p+1 and 2*p+15 are also prime. %H A237813 Vincenzo Librandi, <a href="/A237813/b237813.txt">Table of n, a(n) for n = 1..1000</a> %e A237813 11 is in the sequence because 11, 2*11+1 = 23 and 2*11+15 = 37 are all prime. %t A237813 Select[Prime[Range[5000]], PrimeQ[2 # + 1] && PrimeQ[2 # + 15] &] (* _Vincenzo Librandi_, Feb 15 2014 *) %o A237813 (PARI) s=[]; forprime(p=2, 10000, if(isprime(2*p+1) && isprime(2*p+15), s=concat(s, p))); s %o A237813 (Magma) [p: p in PrimesUpTo(4000) | IsPrime(2*p+1) and IsPrime(2*p+15)]; // _Vincenzo Librandi_, Feb 15 2014 %Y A237813 Cf. A126107, A237810, A237811, A237812, A237814. %K A237813 nonn %O A237813 1,1 %A A237813 _Colin Barker_, Feb 13 2014