%I #16 Oct 10 2019 23:24:05
%S 9,31,99,998,999,7937,9999,99998,99999,996999,999999,6688699,9999999,
%T 97609999,99969999,999999998,999899999,9998999999,9999999999,
%U 9999699999,99999989999,99998999999,997999998999
%N a(n)^3 is smallest cube containing exactly n 9's.
%C a(24) > 5*10^12, a(25) = 999996999999. - _Giovanni Resta_, Jun 29 2018
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/CubicNumber.html">Cubic Number</a>
%t (* A048374 *)
%t nsmall = Table[Infinity, 11];
%t For[i = 0, i <= 10^6, i++, n0 = Count[IntegerDigits[i^3], 9];
%t If[nsmall[[n0]] > i, nsmall[[ n0]] = i]];
%t nsmall(* _Robert Price_, Sep 26 2018 *)
%Y Cf. A036536, A048365, A048366, A048367, A048368, A048369, A048370, A048371, A048372, A048373.
%K nonn,base,more
%O 1,1
%A _Patrick De Geest_, Mar 15 1999
%E a(16)-a(22) from _Lars Blomberg_, Jun 12 2011
%E a(23) from _Giovanni Resta_, Jun 29 2018