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 A019545 #15 Feb 16 2025 08:32:33
%S A019545 0,1,8,1000,8000,1000000,8000000,1000000000,8000000000,1000000000000,
%T A019545 8000000000000,1000000000000000,8000000000000000,1000000000000000000,
%U A019545 8000000000000000000,1000000000000000000000
%N A019545 Cubes whose digits are cubes.
%C A019545 Is a(n) = 1000*a(n-2) for n > 3? - _Charles R Greathouse IV_, Sep 20 2012
%C A019545 Subsequence of A046031. - _Michel Marcus_, May 24 2014
%H A019545 Sylvester Smith, <a href="https://www.gallup.unm.edu/~smarandache/SYLSMITH.HTM">A Set of Conjectures on Smarandache Sequences</a>, Bulletin of Pure and Applied Sciences, (Bombay, India), Vol. 15 E (No. 1), 1996, pp. 101-107.
%H A019545 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/SmarandacheSequences.html">Smarandache Sequences</a>
%t A019545 Join[{0},Select[FromDigits/@(Flatten[Table[PadRight[{d},n,0],{n,30},{d,{1,8}}],1]),IntegerQ[Surd[#,3]]&]] (* _Harvey P. Dale_, Dec 03 2021 *)
%Y A019545 Cf. A046031.
%K A019545 nonn,base
%O A019545 1,3
%A A019545 R. Muller