%I #12 Jun 26 2021 17:02:48
%S 2,23,235,2357,235711,235711101,235711101131,235711101131151,
%T 235711101131151181,235711101131151181191,235711101131151181191313,
%U 235711101131151181191313353,235711101131151181191313353373,235711101131151181191313353373383
%N Concatenation of first n palindromic primes.
%t With[{pr=Select[Prime[Range[150]],IntegerDigits[#]==Reverse[ IntegerDigits[ #]]&]}, Table[ FromDigits[ Flatten[IntegerDigits/@Take[pr,n]]],{n,Length[ pr]}]] (* _Harvey P. Dale_, Mar 05 2014 *)
%Y Cf. A002385.
%K base,nonn
%O 1,1
%A _Felice Russo_, corrected Sep 13 2000
%E More terms from _Harvey P. Dale_, Mar 05 2014