This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A065378 #25 Feb 10 2025 21:33:08
%S A065378 2,3,11,101,307,30001253,100111001,110111011,111010111,111091111,
%T A065378 1011099011101,1100011100011,1100101010011,1101010101011,
%U A065378 100110101011001,100110990111001,101000010000101,101011000110101,101110000011101
%N A065378 Primes p such that p^2 is a palindromic square.
%C A065378 Record prime base number of a sporadic palindromic square is 13661181333262459.
%H A065378 Hans Havermann (via Feng Yuan), <a href="/A065378/b065378.txt">Table of n, a(n) for n = 1..61</a>
%H A065378 Patrick De Geest, <a href="https://www.worldofnumbers.com/nobase10pg2.htm">Palindromic Squares in bases 2 to 17</a>
%H A065378 G. L. Honaker, Jr. and C. Caldwell, <a href="https://t5k.org/curios/page.php?short=13661181333262459">Prime Curios!</a>
%H A065378 W. R. Marshall, <a href="https://web.archive.org/web/20020614225321/http://www.geocities.com/williamrexmarshall/math/palsq.html">Palindromic Squares</a>
%H A065378 F. Yuan, <a href="http://www.fengyuan.com/palindrome.html">Palindromic Square Numbers</a>
%e A065378 E.g. a(6) = 900075181570009 = p^2 with p = 30001253 and prime.
%t A065378 t={}; Do[p=Prime[n]; If[FromDigits[Reverse[IntegerDigits[p^2]]]==p^2,AppendTo[t,p]],{n,10^7}]; t (* _Jayanta Basu_, May 11 2013 *)
%Y A065378 Cf. A065379, A002778, A002779, A034822, A028816, A016106, A059744, A016113, A007573.
%K A065378 nonn,base
%O A065378 1,1
%A A065378 _Patrick De Geest_, Nov 03 2001
%E A065378 Corrected by _Jayanta Basu_, May 11 2013