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 A201718 #17 Sep 08 2022 08:46:01
%S A201718 5,41,101,293,761,1193,1721,2693,3461,3881,4793,5801,8741,12281,16421,
%T A201718 17321,26501,32441,36293,40361,53861,62201,67493,80681,86693,90821,
%U A201718 92921,101561,108293,112901,119993,127301,145193,167081,178601,193541
%N A201718 Primes of the form 3*m^2 - 7.
%C A201718 Primes p such that (p+7)/3 or 3*(p+7) is a square. - _Vincenzo Librandi_, Feb 16 2016
%H A201718 Vincenzo Librandi, <a href="/A201718/b201718.txt">Table of n, a(n) for n = 1..5000</a>
%t A201718 Select[Table[3 n^2 - 7, {n, 2, 1000}], PrimeQ]
%o A201718 (Magma) [a: n in [2..300] | IsPrime(a) where a is 3*n^2-7];
%Y A201718 Cf. A089682, A201715, A201716, A201717, A201781.
%K A201718 nonn,easy
%O A201718 1,1
%A A201718 _Vincenzo Librandi_, Dec 05 2011