Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
%I #4 Mar 30 2012 18:51:45
%S 2,3,5,13,1597
%N Fibonacci primes that are also primes when their digits are reversed.
%C There are no other numbers that qualify through the 10000th Fibonacci number (which has 2,090 digits).
%e 13 is the 7th Fibonacci number. It is prime and its reversal, 31, is also prime.
%t Select[Fibonacci[Range[10000]], PrimeQ[ # ]&&PrimeQ[FromDigits[Reverse[IntegerDigits[ # ]]]]&]
%Y Cf. A000045.
%K nonn,base
%O 1,1
%A _Harvey P. Dale_, Mar 07 2006