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 A038398 #19 Feb 17 2024 10:31:02
%S A038398 1,81,2781,642781,125642781,216125642781,343216125642781,
%T A038398 512343216125642781,729512343216125642781,1000729512343216125642781,
%U A038398 13311000729512343216125642781,172813311000729512343216125642781
%N A038398 Concatenate first n cubes in reverse order.
%D A038398 Mihaly Bencze [Beneze], L. Tutescu, Some Notions and Questions in Number Theory, Sequence 6.
%t A038398 nn=20;With[{c=Reverse[Range[nn]^3]},Table[FromDigits[Flatten[ IntegerDigits/@ Take[ c,-n]]],{n,nn}]] (* _Harvey P. Dale_, Sep 28 2013 *)
%Y A038398 Cf. A000578, A019522, A038397.
%K A038398 nonn,base,easy
%O A038398 1,2
%A A038398 M. I. Petrescu (mipetrescu(AT)yahoo.com)
%E A038398 More terms from Andrew Gacek (andrew(AT)dgi.net), Feb 21 2000