%I #6 Feb 16 2025 08:33:00

%S 2,3,11,101,131,323,10001,11311,12121,13031,13331,30103,31013,31313,

%T 32023,33133,1003001,1013101,1101011,1120211,1123211,1133311,1201021,

%U 1212121,1221221,1302031,1311131,1321231

%N Palindromic primes in base 4 (written in base 4).

%H Eric Weisstein: <a href="https://mathworld.wolfram.com/PalindromicPrime.html">Palindromic Prime</a>.

%Y Cf. A029972.

%K nonn,base,changed

%O 1,1

%A _Martin Renner_, Apr 13 2006