Third smallest number with exactly n prime factors.

Terms

a(0) =5a(1) =9a(2) =18a(3) =36a(4) =72a(5) =144a(6) =288a(7) =576a(8) =1152a(9) =2304a(10) =4608a(11) =9216a(12) =18432a(13) =36864a(14) =73728a(15) =147456a(16) =294912a(17) =589824a(18) =1179648a(19) =2359296a(20) =4718592a(21) =9437184a(22) =18874368a(23) =37748736a(24) =75497472a(25) =150994944a(26) =301989888a(27) =603979776a(28) =1207959552a(29) =2415919104