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 A036530 #11 Jun 29 2018 05:12:54
%S A036530 0,4913,343,5735339,108531333,353393243,333533450375,3707322336333,
%T A036530 86333306433373,153712433903333733,333343033492332032,
%U A036530 8343304933332333329,433134325352337333353,33435346723033333302433,243513939323833732333333,33393753313938361233336383
%N A036530 Smallest cube containing exactly n 3's.
%C A036530 a(n)^(1/3) = A048368(n) is the index of the first occurrence of n in sequence A269243. - _M. F. Hasler_, Feb 21 2016
%H A036530 Giovanni Resta, <a href="/A036530/b036530.txt">Table of n, a(n) for n = 0..23</a>
%F A036530 a(n) = A048368(n)^3. - _M. F. Hasler_, Feb 21 2016
%t A036530 Table[SelectFirst[Range[2100000]^3,DigitCount[#,10,3]==n&],{n,11}] (* The program uses the SelectFirst function from Mathematica version 10 *) (* _Harvey P. Dale_, Oct 24 2015 *)
%Y A036530 Cf. A048368, A036527, A036528, A036529, A036531, A036532, A036533, A036534, A036535, A036536.
%K A036530 nonn,base
%O A036530 0,2
%A A036530 _David W. Wilson_
%E A036530 a(0) = 0 prefixed by _M. F. Hasler_, Feb 21 2016
%E A036530 a(12)-a(15) from _Giovanni Resta_, Jun 29 2018