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 A105764 #8 Feb 16 2025 08:32:57
%S A105764 2,3,5,7,8,9,10,13,30,35,77,98,126,160,192,810,1086,1999,2021,3157,
%T A105764 3426,3471,15066,24115,29782,29941
%N A105764 Indices of prime Lucas 5-step numbers, A074048.
%C A105764 No other n < 30000.
%H A105764 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 A105764 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Lucasn-StepNumber.html">Lucas n-Step Number</a>
%t A105764 a={-1, -1, -1, -1, 5}; lst={}; Do[s=Plus@@a; a=RotateLeft[a]; a[[ -1]]=s; If[PrimeQ[s], AppendTo[lst, n]], {n, 30000}]; lst
%Y A105764 Cf. A105765 (prime Lucas 5-step numbers).
%K A105764 nonn
%O A105764 1,1
%A A105764 _T. D. Noe_, Apr 22 2005