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 A023315 #22 Mar 29 2025 10:50:00 %S A023315 79,401,1259,2477,3019,4409,10303,15679,20509,24499,34127,43987,44389, %T A023315 53101,66359,71287,74857,81097,85903,90803,93053,102811,103231,104999, %U A023315 112601,125453,132533,144731,156347,157793,160817,161839,163981,170641 %N A023315 Primes that remain prime through 4 iterations of function f(x) = 5*x + 6. %C A023315 Primes p such that 5*p+6, 25*p+36, 125*p+186 and 625*p+936 are also primes. - _Vincenzo Librandi_, Aug 04 2010 %H A023315 John Cerkan, <a href="/A023315/b023315.txt">Table of n, a(n) for n = 1..10000</a> %F A023315 a(n) == 9 or 13 (mod 14). - _John Cerkan_, Oct 07 2016 %o A023315 (Magma) [n: n in [1..1000000] | IsPrime(n) and IsPrime(5*n+6) and IsPrime(25*n+36) and IsPrime(125*n+186) and IsPrime(625*n+936)]; // _Vincenzo Librandi_, Aug 04 2010 %Y A023315 Subsequence of A023219, A023254, A023285, and A081759. %K A023315 nonn %O A023315 1,1 %A A023315 _David W. Wilson_