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 A217499 #21 Sep 08 2022 08:46:04 %S A217499 181,433,1801,4933,5581,7741,13033,18433,24733,41761,47161,49033, %T A217499 94033,96661,104761,140401,156781,174061,188533,207433,227233,252181, %U A217499 265141,370081,385741,412561,423541,440281,451621,510481,535033,572941,598933,659521,666433 %N A217499 Primes of the form 2*n^2 + 70*n + 33. %C A217499 Conjecture: 2^a(n)-1 is not prime; in other words, these primes are included in A054723. %C A217499 2*a(n) + 1159 is a square. - _Vincenzo Librandi_, Apr 10 2015 %H A217499 Vincenzo Librandi, <a href="/A217499/b217499.txt">Table of n, a(n) for n = 1..3000</a> %t A217499 Select[Table[2 n^2 + 70 n + 33, {n, 600}], PrimeQ] %o A217499 (Magma) [a: n in [1..600] | IsPrime(a) where a is 2*n^2+70*n+33]; %Y A217499 Cf. A054723, A176549, A217494. %Y A217499 Subsequence of A002144. %K A217499 nonn,easy %O A217499 1,1 %A A217499 _Vincenzo Librandi_, Oct 09 2012