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%I #5 Jan 02 2023 12:30:53
%S 3,4,10,11,12,13,14,15,16,17,18,19,20,21,47,48,49,50,51,52,53,54,55,
%T 56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,
%U 79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98
%N Numbers whose cubes have an even number of digits.
%C The sequence of cubes starts: 27, 64, 1000, 1331, 1728, 2197, 2744, 3375, 4096, 4913, 5832, ...
%H Lars Blomberg, <a href="/A288660/b288660.txt">Table of n, a(n) for n = 1..10000</a>
%H Jeremy Gardiner, <a href="http://list.seqfan.eu/oldermail/seqfan/2016-December/017135.html">Middle digit in square numbers</a>, Seqfan Mailing list, Dec 12 2016.
%Y Cf. A288657, A288658, A288659.
%K nonn,base,easy
%O 1,1
%A _Lars Blomberg_, Jun 13 2017
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