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 A004638 #20 Sep 08 2022 08:44:33
%S A004638 1,10,33,100,175,330,527,1000,1331,1750,2463,3300,4225,5270,6457,
%T A004638 10000,11461,13310,15313,17500,22055,24630,27607,33000,36411,42250,
%U A004638 46343,52700,57505,64570,72137,100000,106141,114610,123573,133100,142735,153130,163667
%N A004638 Cubes written in base 8.
%H A004638 G. C. Greubel, <a href="/A004638/b004638.txt">Table of n, a(n) for n = 1..5000</a>
%F A004638 a(n) = A007094(n^3) = A007094(A000578(n)). - _Vincenzo Librandi_, Oct 15 2015
%t A004638 Table[FromDigits[IntegerDigits[n^3, 8]], {n, 40}] (* _Vincenzo Librandi_, Oct 15 2015 *)
%o A004638 (Magma) [Seqint(Intseq(n^3, 8)): n in [1..40]]; // _Vincenzo Librandi_, Oct 15 2015
%o A004638 (PARI) for(n=1,40, print1(fromdigits(digits(n^3, 8)), ", ")) \\ _G. C. Greubel_, Sep 10 2018
%Y A004638 Cf. A000578, A007094.
%K A004638 nonn,base
%O A004638 1,2
%A A004638 _N. J. A. Sloane_
%E A004638 Changed offset and more terms from _Vincenzo Librandi_, Oct 15 2015