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 A217620 #22 Sep 08 2022 08:46:04
%S A217620 211,499,823,1579,2011,4099,6043,6763,8311,10903,11839,18211,27283,
%T A217620 28723,34843,38119,41539,56659,58711,76423,86143,88663,93811,99103,
%U A217620 110119,121711,124699,130783,149899,163363,173839,181003,188311,222979,227011,231079,247711
%N A217620 Primes of the form 2*n^2 + 82*n + 39.
%C A217620 Conjecture: 2^a(n)-1 is not prime; in other words, these primes are included in A054723.
%C A217620 2*a(n) + 1603 is a square. - _Vincenzo Librandi_, Apr 09 2015
%H A217620 Vincenzo Librandi, <a href="/A217620/b217620.txt">Table of n, a(n) for n = 1..3000</a>
%t A217620 Select[Table[2 n^2 + 82 n + 39, {n, 600}], PrimeQ]
%o A217620 (Magma) [a: n in [1..600] | IsPrime(a) where a is 2*n^2+82*n+39];
%Y A217620 Cf. Primes of the form 2*n^2+2*(2*k+3)*n+(2*k+1): A176549 (k=0), A154577 (k=2), A154592 (k=3), A154601 (k=4), A217494 (k=7), A217495 (k=10), A217496 (k=11), A217497 (k=12), A217498 (k=13), A217499 (k=16), A217500 (k=17), A217501 (k=18), this sequence (k=19), A217621 (k=21).
%Y A217620 Cf. A054723.
%Y A217620 Subsequence of A002145.
%K A217620 nonn,easy
%O A217620 1,1
%A A217620 _Vincenzo Librandi_, Oct 09 2012