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 A201781 #19 Sep 08 2022 08:46:01 %S A201781 19,67,139,499,859,1579,1867,2179,3259,4099,6067,6619,8419,9067,9739, %T A201781 22699,25939,27067,28219,38299,39667,46867,54667,56299,61339,63067, %U A201781 73939,79699,81667,89779,91867,93979,100459,102667,114067,123619 %N A201781 Primes of the form 3*m^2 - 8. %C A201781 m is a member of A063241. - _Bruno Berselli_, Feb 16 2016 %H A201781 Vincenzo Librandi, <a href="/A201781/b201781.txt">Table of n, a(n) for n = 1..5000</a> %t A201781 Select[Table[3n^2 - 8, {n, 2, 1000}], PrimeQ] %o A201781 (Magma) [a: n in [2..300] | IsPrime(a) where a is 3*n^2-8]; %Y A201781 Cf. A089682, A201715, A201716, A201717, A201718. %K A201781 nonn,easy %O A201781 1,1 %A A201781 _Vincenzo Librandi_, Dec 05 2011