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 A102144 #12 Apr 10 2020 16:11:47 %S A102144 4,6,7,12,25,43,57,165,277,368,711,1005,1135,1246,2032,3513,5685,8222, %T A102144 10939,26435 %N A102144 Iccanobirt prime indices (14 of 15): Indices of prime numbers in A102124. %C A102144 No more terms through 5000. %C A102144 a(21) > 50000. - _Robert Price_, Nov 10 2018 %F A102144 A102124(a(n)) = A102164(n). %t A102144 a[n_] := a[n] = %t A102144 IntegerReverse[IntegerReverse[a[n - 1]] + IntegerReverse[a[n - 2]] + a[n - 3]]; %t A102144 a[0] = 0; a[1] = 0; a[2] = 1; %t A102144 Select[Range[0, 5000], PrimeQ[a[#]] &] (* _Robert Price_, Apr 10 2020 *) %Y A102144 Cf. A000040, A102124, A102131-A102145. %K A102144 nonn,more,base %O A102144 1,1 %A A102144 _Jonathan Vos Post_ and _Ray Chandler_, Dec 31 2004 %E A102144 a(17)-a(20) from _Robert Price_, Nov 10 2018