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 A217494 #21 Sep 08 2022 08:46:04 %S A217494 631,883,1171,2251,2683,8191,9811,12511,20071,25183,30871,33931,38791, %T A217494 40483,57331,61471,70183,81883,94483,105211,125371,150571,157231, %U A217494 167491,188983,292483,315883,340183,360271,423991,440731,469351,481051,510931 %N A217494 Primes of the form 2*n^2 + 34*n + 15. %C A217494 Conjecture: 2^a(n)-1 is not prime; in other words, these primes are included in A054723. %C A217494 2*a(n)+259 is a square. - _Vincenzo Librandi_, Mar 04 2013 %H A217494 Vincenzo Librandi, <a href="/A217494/b217494.txt">Table of n, a(n) for n = 1..3000</a> %t A217494 Select[Table[2 n^2 + 34 n + 15, {n, 500}], PrimeQ] %o A217494 (Magma) [a: n in [1..500] | IsPrime(a) where a is 2*n^2+34*n+15]; %Y A217494 Cf. A054723, A176549. %Y A217494 Subsequence of A002145. %K A217494 nonn,easy %O A217494 1,1 %A A217494 _Vincenzo Librandi_, Oct 08 2012