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%I #10 Aug 13 2020 14:02:28
%S 153,224,226,243,370,371,372,373,374,375,376,377,378,379,407,512,517,
%T 518,736,739,1125,1216,1456,1459,1547,1674,1729,2205,2240,2241,2242,
%U 2243,2244,2245,2246,2247,2248,2249,2752,2759,2773,3259,3527,3925
%N Numbers which can be written with their digits in order and only addition and cube operator.
%H Erich Friedman, <a href="https://erich-friedman.github.io/mathmagic/0803.html">Problem of the month August 2003</a>
%e Let us consider parentheses as cubing operator.
%e 153 = 1^3 + 5^3 + 3^3.
%e 224 = 2^3 + (2 + 4)^3.
%e 226 = 2 + 2^3 + 6^3.
%e 243 = (2 + 4)^3 + 3^3.
%K nonn,base
%O 1,1
%A _Kausthub Gudipati_, Sep 01 2011
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