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%I A128686 #9 Jan 31 2017 12:27:43
%S A128686 3,9,8,24,32,64,128,864,1792,1536,2048,4096,8192,24576,73728,98304,
%T A128686 131072,393216,524288,1048576,3145728,6291456,8388608,37748736,
%U A128686 50331648,150994944,301989888,268435456,1207959552,1610612736,2147483648,4294967296,19327352832,25769803776,115964116992,171798691840,343597383680,927712935936,2886218022912,1099511627776,20890720927744,24189255811072
%N A128686 Least number of the form semiprime - 1 which is the product of exactly n primes.
%Y A128686 Cf. A005383, A070552, A128665.
%K A128686 nonn
%O A128686 1,1
%A A128686 _Ray Chandler_, Mar 20 2007
%E A128686 a(27)-a(42) from _Donovan Johnson_, Nov 24 2010

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