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 A228244 #25 Apr 22 2025 02:41:20
%S A228244 17,53,593,3617,4373,6101,8117,11681,20753,26261,30293,34613,54773,
%T A228244 63521,86453,90017,101141,108917,112913,116981,138401,156833,176417,
%U A228244 191861,207953,213461,219041,248021,278801,352853,404513,419921,427733,451601,518417,562517
%N A228244 Primes of the form k^2 + 17.
%H A228244 Vincenzo Librandi, <a href="/A228244/b228244.txt">Table of n, a(n) for n = 1..1000</a>
%F A228244 a(n) = A241847(A264790(n)). - _Elmo R. Oliveira_, Apr 21 2025
%e A228244 17 = 0^2 + 17 is prime.
%e A228244 53 = 6^2 + 17 is prime.
%t A228244 Select[Table[n^2 + 17, {n, 0, 900}], PrimeQ] (* _Bruno Berselli_, Aug 18 2013 *)
%o A228244 (PARI) isp(n) = isprime(n) && issquare(n-17);
%o A228244 (Magma) [m: n in [0..900] | IsPrime(m) where m is n^2+17]; // _Bruno Berselli_, Aug 18 2013
%Y A228244 Cf. A049423, A056899, A056905, A079138, A138362, A138375, A241847, A264790.
%K A228244 nonn,easy
%O A228244 1,1
%A A228244 _Michel Marcus_, Aug 18 2013