%I
%S 1,2,6,12,60,360,2520
%N Highly composite numbers which are half of the next highly composite number.
%C A002182(k) such that A002182(k+1) = 2*A002182(k).
%C Numbers m such that d(m)>=d(k) for 0<k<2m {d(n) being the number of divisors function: A000005(n)}  _Lekraj Beedassy_, Dec 16 2004
%C W. Brefeld (cf. link) gives a proof that there are no other terms.  _Klaus Brockhaus_, Mar 05 2006
%H Werner Brefeld, <a href="http://www.brefeld.homepage.tonline.de/teilbarkeit.html">Ramanujan, zusammengesetzte Zahlen und ihre Teilbarkeit</a>
%H Achim Flammenkamp <a href="http://www.unibielefeld.de/~achim/highly.html">Highly Composite Numbers</a>
%e 6 = A002182(4) is a term since A002182(5) = 12 = 2*6.
%Y Cf. A002182, A002201, A106037, A094348, A003418, A002110.
%Y A165412. [From _Reinhard Zumkeller_, Jan 20 2010]
%K nonn,fini,full
%O 1,2
%A Anon, Aug 12, 2002
%E Edited by _Klaus Brockhaus_, Aug 13 2002
