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 A273549 #11 Sep 08 2022 08:46:16
%S A273549 167,181,421,65701,340282366920938463463374607431768211621
%N A273549 Primes of the form 2^(2^n) + 165.
%C A273549 Terms given correspond to n = 0, 2, 3, 4 and 7.
%C A273549 Next term >= 2^2^25 + 165. - _Charles R Greathouse IV_, Jun 07 2016
%t A273549 Select[Table[2^(2^n) + 165, {n, 0, 15}], PrimeQ]
%o A273549 (Magma) [a: n in [0..16] | IsPrime(a) where a is 2^(2^n)+165];
%o A273549 (PARI) for(n=0,7, if(ispseudoprime(t=2^2^n+165), print1(t", "))) \\ _Charles R Greathouse IV_, Jun 08 2016
%Y A273549 Cf. similar sequences listed in A273547.
%K A273549 nonn
%O A273549 1,1
%A A273549 _Vincenzo Librandi_, Jun 01 2016