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 A029734 #22 Feb 12 2025 12:44:55
%S A029734 0,1,4,9,289,1156,66049,74529,83521,93025,101761,264196,280900,298116,
%T A029734 597529,1896129,16785409,19088161,21538881,67141636,68128516,71673156,
%U A029734 76282756,81830116,2665553641,4295098369,4328718849
%N A029734 Palindromic squares in base 16.
%H A029734 Chai Wah Wu, <a href="/A029734/b029734.txt">Table of n, a(n) for n = 1..377</a> (terms 1..75 from Vincenzo Librandi)
%H A029734 Patrick De Geest, <a href="https://www.worldofnumbers.com/nobase10pg2.htm">Palindromic Squares in bases 2 to 17</a>
%t A029734 pb16Q[n_]:=Module[{idn16=IntegerDigits[n,16]}, idn16==Reverse[idn16]]; Select[Range[0, 200000]^2, pb16Q] (* _Vincenzo Librandi_, Jul 24 2014 *)
%Y A029734 Cf. A002779, A029738, A029806, A029983, A029985, A029987, A029989, A029991, A029993, A029995, A029997, A029999, A030074, A030075.
%K A029734 nonn,base
%O A029734 1,3
%A A029734 _Patrick De Geest_