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 A014188 #9 Jul 08 2025 02:54:58
%S A014188 0,1,16,81,256,625,1296,2401,4096,6561,14641,234256,1185921,3748096,
%T A014188 9150625,18974736,35153041,59969536,96059601,104060401,151807041,
%U A014188 214358881,294499921,395254161,519885601,671898241
%N A014188 Fourth powers of palindromes.
%t A014188 palQ[n_]:=Module[{idn=IntegerDigits[n]},idn==Reverse[idn]]; Select[ Range[ 0,200],palQ]^4 (* _Harvey P. Dale_, Feb 09 2015 *)
%Y A014188 Cf. A002113, A014186.
%K A014188 nonn,base
%O A014188 0,3
%A A014188 _N. J. A. Sloane_