%I A112780
%S A112780 4,5,6,5,9,9,9,9,10,10,10,9,11,11,8,10,11,10,11,10,9,10,13,10,12,10,13,
%T A112780 13,13,12,13,11,14,13,13,12,13,15,13,14,13,14,13,13,15,12,14,13,17,14,
%U A112780 16,16,15,17,15,19,15,18,15,16,17,16,17,16,15,19,15,19,14,18,14,19,17
%N A112780 Number of highly composite numbers (definition 1, A002182) with n decimal 
               digits.
%H A112780 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               HighlyCompositeNumber.html">Highly Composite Number</a>
%H A112780 A. Flammenkamp, <a href="http://wwwhomes.uni-bielefeld.de/achim/highly.txt">
               First 1200 highly composite numbers</a>
%e A112780 a(1) = 4 since there are four highly composite numbers with one decimal 
               digit {1,2,4,6}.
%Y A112780 Cf. A002182, A002183, A108602, A112778, A112779, A112781.
%Y A112780 Sequence in context: A113184 A136004 A134299 this_sequence A021223 A058979 
               A046343
%Y A112780 Adjacent sequences: A112777 A112778 A112779 this_sequence A112781 A112782 
               A112783
%K A112780 base,nonn
%O A112780 1,1
%A A112780 Ray Chandler (rayjchandler(AT)sbcglobal.net), Nov 11 2005