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 A102131 #15 Apr 10 2020 15:29:10 %S A102131 4,6,7,19,30,175,265,591,1124,1369,4359,10935,20422,20559,26993 %N A102131 Iccanobirt prime indices (1 of 15): Indices of prime numbers in A102111. %C A102131 No more terms through 8000. %C A102131 a(16) > 50000. - _Robert Price_, Nov 07 2018 %F A102131 A102111(a(n)) = A102151(n). %t A102131 a[n_] := a[n] = a[n - 1] + a[n - 2] + IntegerReverse[a[n - 3]]; %t A102131 a[0] = 0; a[1] = 0; a[2] = 1; %t A102131 Select[Range[0, 5000], PrimeQ[a[#]] &] (* _Robert Price_, Apr 10 2020 *) %Y A102131 Cf. A000040, A102111, A102132-A102145. %K A102131 nonn,more,base %O A102131 1,1 %A A102131 _Jonathan Vos Post_ and _Ray Chandler_, Dec 31 2004 %E A102131 a(12)-a(15) from _Robert Price_, Nov 07 2018