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 A173268 #11 May 11 2023 14:16:17 %S A173268 2,3,5,13,34,377,1597,10946,75025,121393,17167680177565, %T A173268 135301852344706746049,1672445759041379840132227567949787325, %U A173268 3691087032412706639440686994833808526209 %N A173268 Fibonacci numbers that produce primes when their digits are reversed. %t A173268 okQ[n_]:=PrimeQ[FromDigits[Reverse[IntegerDigits[n]]]]; Select[ Fibonacci[ Range[500]],okQ] %t A173268 Select[Fibonacci[Range[500]],PrimeQ[IntegerReverse[#]]&] (* _Harvey P. Dale_, Oct 16 2021 *) %Y A173268 Cf. A036971. [_T. D. Noe_, Mar 19 2010] %K A173268 base,nice,nonn %O A173268 1,1 %A A173268 _Harvey P. Dale_, Feb 14 2010