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 A243432 #16 Sep 08 2022 08:46:08
%S A243432 79,822752278660603021077484591278675252491367932816789931674304559
%N A243432 Primes of the form 2^n + 47.
%C A243432 The next term has 316 digits (see b-file).
%C A243432 Associated n: 5, 209, 1049.
%C A243432 Also a probable prime for n = 8501 and no others below 10^5. - _Jens Kruse Andersen_, Jun 30 2014
%H A243432 Vincenzo Librandi, <a href="/A243432/b243432.txt">Table of n, a(n) for n = 1..3</a>
%t A243432 Select[Table[2^n + 47, {n, 0, 600}], PrimeQ]
%o A243432 (Magma) [a: n in [0..600] | IsPrime(a) where a is 2^n+47];
%Y A243432 Cf. similar sequences listed in A243429.
%K A243432 nonn,bref
%O A243432 1,1
%A A243432 _Vincenzo Librandi_, Jun 05 2014