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 A273548 #14 Aug 22 2025 17:40:37
%S A273548 167,179,419,65699,4294967459
%N A273548 Primes of the form 2^(2^k) + 163.
%C A273548 Terms given correspond to k = 1, 2, 3, 4 and 5.
%C A273548 Next term >= 2^2^34 + 163. - _Charles R Greathouse IV_, Jun 07 2016
%t A273548 Select[Table[2^(2^n) + 163, {n, 0, 15}], PrimeQ]
%o A273548 (Magma) [a: n in [0..16] | IsPrime(a) where a is 2^(2^n)+163];
%o A273548 (PARI) for(n=1,5, if(ispseudoprime(t=2^2^n+163), print1(t", "))) \\ _Charles R Greathouse IV_, Jun 08 2016
%Y A273548 Cf. similar sequences listed in A273547.
%K A273548 nonn
%O A273548 1,1
%A A273548 _Vincenzo Librandi_, Jun 01 2016