%I #7 Sep 10 2018 04:19:53
%S 2,5,11,101,1008001,1008001
%N Palprimes of the form m*reversal(m)+1, sorted on m.
%C There is no further term up to 5*10^17. 1008001 is the only known palprime which has two representations of the form m*reversal(m)+1 (m > reversal(m)).
%H Carlos Rivera,<a href="http://www.primepuzzles.net/puzzles/puzz_496.htm">P*R(P)+1 = Palprime</a>
%t r[n_]:=FromDigits[Reverse[IntegerDigits[n]]];Do[If[m>=r[m]&&PrimeQ[m r[m]+1] && r[m r[m]+1]==m r[m]+1,Print[m r[m]+1]],{m,710000000}]
%Y Cf. A158997, A177856.
%K base,more,nonn
%O 1,1
%A _Farideh Firoozbakht_, Jul 09 2009
%E Cross-reference fixed by _Franklin T. Adams-Watters_, May 14 2010