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 A048366 #17 Feb 16 2025 08:32:40 %S A048366 1,11,58,106,671,1041,10058,22598,145981,480765,2359231,10297461, %T A048366 4836178,100395471,465933117,481182258,4810215701,16886336471, %U A048366 49303833471,103791158471,223818432208,4643311948655,4809689791471 %N A048366 a(n)^3 is smallest cube containing exactly n 1's. %H A048366 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/CubicNumber.html">Cubic Number</a> %t A048366 a[n_] := Module[{i}, i = 1; While[DigitCount[i^3][[1]] != n, i++;]; i]; (* Sam Handler (sam_5_5_5_0(AT)yahoo.com), Aug 23 2006 *) %Y A048366 Cf. A036528, A048365, A048367, A048368, A048369, A048370, A048371, A048372, A048373, A048374. %K A048366 nonn,base,more %O A048366 1,2 %A A048366 _Patrick De Geest_, Mar 15 1999 %E A048366 a(14) from Sam Handler (sam_5_5_5_0(AT)yahoo.com), Aug 23 2006 %E A048366 a(15)-a(20) from _Lars Blomberg_, Jun 12 2011 %E A048366 a(21)-a(23) from _Giovanni Resta_, Jun 29 2018