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 A241677 #13 Sep 08 2022 08:46:07
%S A241677 9,13,37,133,2053,8197,131077,524293,8388613,536870917,2147483653,
%T A241677 137438953477,2199023255557,8796093022213,140737488355333,
%U A241677 9007199254740997,576460752303423493,2305843009213693957,147573952589676412933,2361183241434822606853
%N A241677 2^p + 5 where p is prime.
%H A241677 Vincenzo Librandi, <a href="/A241677/b241677.txt">Table of n, a(n) for n = 1..200</a>
%t A241677 Table[2^Prime[n] + 5, {n, 40}]
%o A241677 (Magma) [2^p + 5: p in PrimesUpTo(100)];
%Y A241677 Cf. similar sequence listed in A241573.
%K A241677 nonn
%O A241677 1,1
%A A241677 _Vincenzo Librandi_, Apr 29 2014