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 A255531 #7 Nov 29 2017 11:08:01
%S A255531 10,16,116,236,316,1376,5066,103696,120949
%N A255531 Indices of primes in the 9th-order Fibonacci number sequence, A251747.
%C A255531 a(10) > 2*10^5.
%H A255531 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
%t A255531 a={0,0,0,0,0,0,1,0,0}; step=9; lst={}; For[n=step,n<=1000,n++, sum=Plus@@a; If[PrimeQ[sum], AppendTo[lst,n]]; a=RotateLeft[a]; a[[step]]=sum]; lst
%t A255531 Flatten[Position[LinearRecurrence[Table[1,{9}],{0,0,0,0,0,0,1,0,0},125000],_?PrimeQ]]-1 (* _Harvey P. Dale_, Nov 29 2017 *)
%Y A255531 Cf. A001590, A001631, A100683, A231574, A231575, A232542, A214899, A230607, A020992, A232498, A214727, A081172, A214752, A141523, A214825, A235862, A000288, A000322, A000383, A249413, A060455, A079262, A251747.
%K A255531 nonn,more
%O A255531 1,1
%A A255531 _Robert Price_, Feb 24 2015