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 A065379 #15 Feb 10 2025 21:35:21 %S A065379 4,9,121,10201,94249,900075181570009,12124434743442121, %T A065379 12323244744232321,12341234943214321,1022321210249420121232201, %U A065379 1210024420147410244200121,1210222232227222322220121 %N A065379 Palindromic squares with a prime root. %C A065379 Record sporadic palindromic square with a prime root is 186627875420278656872024578726681. %H A065379 Patrick De Geest, <a href="https://www.worldofnumbers.com/nobase10pg2.htm">Palindromic Squares in bases 2 to 17</a> %H A065379 G. L. Honaker, Jr. and C. Caldwell, <a href="https://t5k.org/curios/page.php?short=13661181333262459">Prime Curios!</a> %H A065379 William Rex Marshall, <a href="http://web.archive.org/web/20020614225321/http://www.geocities.com:80/williamrexmarshall/math/palsq.html">Palindromic Squares</a> [Internet Archive Wayback Machine] %e A065379 a(6) = 900075181570009 = p^2 with p = 30001253, a prime. %Y A065379 Cf. A065378, A002778, A002779, A034822, A028816, A016106, A059744, A016113, A007573. %K A065379 nonn,base %O A065379 1,1 %A A065379 _Patrick De Geest_, Nov 03 2001