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 A176495 #12 Mar 14 2023 13:36:09
%S A176495 3,29,14348909,282429536483,150094635296999123,
%T A176495 1144561273430837494885949696429,
%U A176495 48519278097689642681155855396759336072749841943521979872829,1310020508637620352391208095712502073964245732475093456566331
%N A176495 Primes of the form 3^(3*k)+2.
%H A176495 Vincenzo Librandi, <a href="/A176495/b176495.txt">Table of n, a(n) for n = 1..13</a>
%t A176495 Select[Table[3^(3n)+2,{n,0,300}],PrimeQ] (* _Vincenzo Librandi_, Jul 26 2012 *)
%o A176495 (Magma) [a: n in [0..50] | IsPrime(a) where a is 3^(3*n)+2 ]; // _Vincenzo Librandi_, Jul 26 2012
%Y A176495 Cf, A138051 (values of k).
%K A176495 nonn
%O A176495 1,1
%A A176495 _Vincenzo Librandi_, Apr 19 2010
%E A176495 Definition corrected by _T. D. Noe_, Jun 16 2010
%E A176495 Entries checked by _N. J. A. Sloane_, Jun 16 2010