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 A200849 #7 Sep 08 2022 08:46:00
%S A200849 19,643,1531,5179,17491,41467,65851,98299,862483,1316923,2044411,
%T A200849 3779131,4214779,4929091,6899899,8589859,9336403,12754579,16919251,
%U A200849 18085699,26225443,30233083,48009019,56463283,70180963,74691259,82630819
%N A200849 Primes of the form 3n^3-5.
%H A200849 Vincenzo Librandi, <a href="/A200849/b200849.txt">Table of n, a(n) for n = 1..1000</a>
%t A200849 Select[Table[3n^3-5,{n,2,2500}],PrimeQ]
%o A200849 (Magma) [a: n in [2..400] | IsPrime(a) where a is 3*n^3-5]
%K A200849 nonn,easy
%O A200849 1,1
%A A200849 _Vincenzo Librandi_, Nov 24 2011