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 A023262 #24 Sep 08 2022 08:44:47 %S A023262 13,43,103,139,199,349,397,577,727,733,829,967,1039,1303,1567,1597, %T A023262 1753,2131,2161,2311,2707,2719,2857,3109,3319,3613,3673,3697,3853, %U A023262 4051,4129,4201,4297,4441,4507,4513,4639,4663,4789,5503,5701,5743,5857,5953,6121 %N A023262 Primes that remain prime through 2 iterations of the function f(x) = 8*x + 5. %C A023262 Primes p such that 8*p+5 and 64*p+45 are also primes. - _Vincenzo Librandi_, Aug 04 2010 %H A023262 John Cerkan, <a href="/A023262/b023262.txt">Table of n, a(n) for n = 1..10000</a> %F A023262 a(n) == 1 (mod 6). - _John Cerkan_, Sep 16 2016 %o A023262 (Magma) [n: n in [1..100000] | IsPrime(n) and IsPrime(8*n+5) and IsPrime(64*n+45)] // _Vincenzo Librandi_, Aug 04 2010 %Y A023262 Subsequence of A023230, A105133. %K A023262 nonn %O A023262 1,1 %A A023262 _David W. Wilson_