%I #13 May 19 2024 13:15:09

%S 3,7,11,131,151,919,10301,10501,10601,12421,13331,13931,14341,16061,

%T 16561,30203,30403,30703,32323,32423,33533,35053,35153,36263,37573,

%U 39293,71917,72727,73637,76367,78487,79697,90709,91019,96469,97379,98389,1035301,1043401

%N Palindromic prime units W appearing four times in second-order fractal palindromic primes WxWmWxW, where part WxW is also a palindromic prime.

%C Note also that W may not be further split in this manner (see A082584). - Michael S. Branicky, May 19 2024

%H Michael S. Branicky, <a href="/A082599/b082599.txt">Table of n, a(n) for n = 1..10000</a>

%e 919 is in the sequence because this palindromic prime builds up the second order fractal palindromic prime 919691979196919.

%Y Cf. A002385, A082584, A082598, A082600.

%K base,nonn

%O 1,1

%A _Lekraj Beedassy_, May 14 2003

%E Name updated and a(19) and beyond from _Michael S. Branicky_, May 19 2024