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 A101759 #15 Aug 24 2022 17:38:33 %S A101759 3,4,5,7,13,39,51,65,254,315,361,423,1109,1497,1701,3711,3814,3847 %N A101759 Iccanobif prime indices: Indices of prime numbers in A001129. %C A101759 No more terms through 10^4. %t A101759 nxt[{a_,b_}]:={b,Total[IntegerReverse[{a,b}]]};Flatten[Position[NestList[nxt,{0,1},4000][[All,1]],_?PrimeQ]]-1 (* _Harvey P. Dale_, Aug 24 2022 *) %o A101759 (PARI) a=0; b=1; for(n=2,3999, ispseudoprime(b=A004086(a)+A004086(a=b))&print1(n", ")) \\ _M. F. Hasler_, Jan 14 2011 %Y A101759 Cf. A000040, A001129, A014258-A014260, A101760-A101762. %K A101759 nonn,more,base %O A101759 1,1 %A A101759 _Jonathan Vos Post_ and _Ray Chandler_, Dec 15 2004