A376130 - cp's OEIS frontend

A376130 a(1) = 3; for n > 1, a(n) is the smallest palindromic prime containing exactly 3 more digits on each end than a(n-1), with a(n-1) as a central substring.

%I A376130 #14 Sep 19 2024 21:47:56
%S A376130 3,1003001,1021003001201,1211021003001201121,
%T A376130 1251211021003001201121521,1211251211021003001201121521121,
%U A376130 1041211251211021003001201121521121401,1081041211251211021003001201121521121401801,1091081041211251211021003001201121521121401801901
%N A376130 a(1) = 3; for n > 1, a(n) is the smallest palindromic prime containing exactly 3 more digits on each end than a(n-1), with a(n-1) as a central substring.
%C A376130 There are 27 terms in this sequence.
%H A376130 Shyam Sunder Gupta, <a href="/A376130/b376130.txt">Table of n, a(n) for n = 1..27</a>
%Y A376130 Cf. A047076, A053600, A375690, A052205.
%K A376130 base,nonn,fini,full
%O A376130 1,1
%A A376130 _Shyam Sunder Gupta_, Sep 11 2024

cp's OEIS Frontend

A376130 a(1) = 3; for n > 1, a(n) is the smallest palindromic prime containing exactly 3 more digits on each end than a(n-1), with a(n-1) as a central substring.