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 A105767 #8 Feb 16 2025 08:32:57
%S A105767 3,7,31,239,1871,3299217791,101312422979,48163250752607,
%T A105767 3858266531308645633776466396252776719,
%U A105767 31313481899920920568064578921684656674109265283366018689568994494028479
%N A105767 Prime Lucas 6-step numbers, A074584.
%H A105767 Tony D. Noe and Jonathan Vos Post, <a href="http://www.cs.uwaterloo.ca/journals/JIS/VOL8/Noe/noe5.html">Primes in Fibonacci n-step and Lucas n-step Sequences,</a> J. of Integer Sequences, Vol. 8 (2005), Article 05.4.4
%H A105767 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Lucasn-StepNumber.html">Lucas n-Step Number</a>
%t A105767 a={-1, -1, -1, -1, -1, 6}; lst={}; Do[s=Plus@@a; a=RotateLeft[a]; a[[ -1]]=s; If[PrimeQ[s], AppendTo[lst, s]], {n, 1000}]; lst
%Y A105767 Cf. A105766 (indices of prime Lucas 6-step numbers).
%K A105767 nonn
%O A105767 1,1
%A A105767 _T. D. Noe_, Apr 22 2005