Smallest number beginning with 9 and having exactly n prime divisors counted with multiplicity.

Terms

a(0) =97a(1) =9a(2) =92a(3) =90a(4) =918a(5) =96a(6) =972a(7) =960a(8) =9072a(9) =9600a(10) =90624a(11) =9216a(12) =93312a(13) =90112a(14) =903168a(15) =98304a(16) =995328a(17) =917504a(18) =9043968a(19) =9175040a(20) =90243072a(21) =9437184a(22) =95551488a(23) =92274688a(24) =924844032a(25) =922746880a(26) =9042919424a(27) =905969664a(28) =9172942848a(29) =9059696640