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Numbers n such that powertrain(n) < n.
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%I #4 Nov 04 2013 13:01:50

%S 10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,30,31,32,33,40,41,42,50,

%T 51,52,60,61,62,70,71,72,80,81,82,90,91,92,100,101,102,103,104,105,

%U 106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125

%N Numbers n such that powertrain(n) < n.

%C Numbers n such that A133500(n) < n.

%K nonn,base

%O 1,1

%A _J. H. Conway_ and _N. J. A. Sloane_, Dec 03 2007