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 A032751 #16 Feb 16 2025 08:32:36
%S A032751 4554,6776,17471,22322,22722,28182,43434,48084,57675,60606,62526,
%T A032751 85558,89298,98389,154451,174471,328823,453354,513315,647746,741147,
%U A032751 761167,855558,958859,962269,1006001,1036301,1151511,1169611,1177711
%N A032751 Palindromic Super-3 Numbers.
%D A032751 C. A. Pickover, "Keys to Infinity", New York: Wiley, p. 7, 1995.
%H A032751 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Super-dNumber.html">Super-d Number</a>.
%t A032751 stp3Q[n_]:=Module[{idn=IntegerDigits[n],id3=IntegerDigits[3n^3]}, MemberQ[ Partition[ id3,3,1],{3,3,3}]&&idn==Reverse[idn]]; Select[Range[ 1200000], stp3Q] (* _Harvey P. Dale_, Jan 16 2013 *)
%Y A032751 Cf. A014569.
%K A032751 nonn,base
%O A032751 1,1
%A A032751 _Patrick De Geest_, May 15 1998