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 A129932 #12 Mar 03 2025 15:41:31
%S A129932 541,1861,109111,119101,131617,895351,1774447,2343037,2906623,3686743,
%T A129932 3686953,4330783,4594309,4921129,4922329,5495989,5654137,6712591,
%U A129932 7093057,7729537,9188623,9842263,10492297,10991983,11270671,12307453
%N A129932 Prime numbers p such that p remains prime through 6 iterations of function f(x) = 2x + 5.
%H A129932 Robert G. Wilson v, <a href="/A129932/b129932.txt">Table of a(n) for n = 1..149</a>.
%t A129932 fQ[n_] := Union[PrimeQ /@ NestList[2 # + 5 &, n, 6]] == {True}; lst = {}; Do[ p = Prime@n; If[fQ@p, Print@p; AppendTo[lst, p]], {n, 10^7}]; lst (* _Robert G. Wilson v_ *)
%t A129932 Select[Prime[Range[810000]],AllTrue[Rest[NestList[2#+5&,#,6]],PrimeQ]&] (* _Harvey P. Dale_, Mar 03 2025 *)
%Y A129932 Cf. A023332, A023304, A023274, A023243.
%K A129932 nonn
%O A129932 1,1
%A A129932 _Ray G. Opao_, Jun 06 2007
%E A129932 More terms from _Robert G. Wilson v_, Jun 06 2007
%E A129932 Definition clarified by _Harvey P. Dale_, Mar 03 2025