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%I #24 Nov 15 2022 09:16:10
%S 3,6,96,393216
%N Numbers of the form 3*2^k with a single anti-divisor.
%C See A066272 for definition of anti-divisor.
%C If it exists, a(5) > 3*2^(1000). See A092679. - _J.W.L. (Jan) Eerland_, Nov 13 2022
%F a(n) = 3*2^A092679(n).
%o (Python)
%o from itertools import count, islice
%o from sympy.ntheory.factor_ import antidivisor_count
%o def A092680_gen(): return filter(lambda n: antidivisor_count(n)==1,(3*2**k for k in count(0)))
%o A092680_list = list(islice(A092680_gen(),4)) # _Chai Wah Wu_, Jan 04 2022
%Y Cf. A066272, A066466, A092679.
%K nonn,hard,more
%O 1,1
%A _Lior Manor_, Mar 03 2004