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 A182327 #21 Mar 25 2018 10:26:49
%S A182327 2,5,31,14348923,2954312706550833698689,
%T A182327 66555937033867822607895549241096482953017615834735226281,
%U A182327 7282483350946404208076885500996745047522350034970917293604274649554310785227
%N A182327 Primes of the form 3^k + k + 1.
%t A182327 Select[Table[3^n + n + 1, {n, 0, 150}], PrimeQ] (* _T. D. Noe_, Apr 25 2012 *)
%Y A182327 Cf. A061421, A301632.
%K A182327 nonn
%O A182327 1,1
%A A182327 _Alex Ratushnyak_, Apr 25 2012
%E A182327 a(7) from _Seiichi Manyama_, Mar 25 2018