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 A165697 #2 Mar 31 2012 14:45:48 %S A165697 2,37,3121,10429,10282339,9835884797,101740496633 %N A165697 a(n) is the smallest prime p such that all the n numbers reversal(p^k), k<n+1 are primes. %C A165697 By an interesting approach I was able to find a(7). [From _Farideh Firoozbakht_, Sep 30 2009] %e A165697 Both numbers reversal(37)=73 & reversal(37^2)=9631 are primes and 37 is the %e A165697 smallest prime number with this property so a(2)=37. %Y A165697 Cf. A118212, A118213, A165696, A165698. %K A165697 base,hard,more,nonn %O A165697 1,1 %A A165697 _Farideh Firoozbakht_, Sep 29 2009 %E A165697 a(7) from _Farideh Firoozbakht_, Sep 30 2009