%I #13 Oct 14 2022 23:09:15
%S 1,2,4,6,3,6,9,12,6,3,9,6,9,9,12,9,15,9,9,18,9,9,9,9,18,18,9,18,18,18,
%T 18,18,18,18,36,18,27,18,18,18,18
%N Digit sums of highly composite numbers.
%C Except for the first three terms, all others are multiples of 3.
%H Amiram Eldar, <a href="/A140645/b140645.txt">Table of n, a(n) for n = 1..10000</a>
%H A. Flammenkamp, <a href="http://wwwhomes.uni-bielefeld.de/achim/highly.txt">Table of 1200 Highly Composite Numbers</a>.
%H Graeme McRae, <a href="https://web.archive.org/web/20190223125015/http://2000clicks.com/mathhelp/NumberFactorsHighlyComposite.aspx">Highly Composite Numbers</a>.
%F a(n) = A007953(A002182(n)). - _Amiram Eldar_, Nov 13 2019
%e 2162160 is a highly composite number whose digit sum is 18.
%Y Cf. A002182, A002183, A007953, A117825, A127390.
%K nonn,base
%O 1,2
%A _Parthasarathy Nambi_, Jul 08 2008
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