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%I #20 Aug 10 2022 09:55:37
%S 1,2,6,12,60,360,2520
%N Highly composite numbers that 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.t-online.de/teilbarkeit.html">Ramanujan, zusammengesetzte Zahlen und ihre Teilbarkeit</a>.
%H Achim Flammenkamp, <a href="https://web.archive.org/web/20160304030655/http://wwwhomes.uni-bielefeld.de/achim/highly.html">Highly Composite Numbers</a>.
%e 6 = A002182(4) is a term since A002182(5) = 12 = 2*6.
%Y Cf. A002110, A002182, A002201, A003418, A094348, A106037, A165412.
%K nonn,fini,full
%O 1,2
%A Anonymous, Aug 12 2002
%E Edited by _Klaus Brockhaus_, Aug 13 2002
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