Smallest number having at least n divisors and a prime power as n-th divisor.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =16a(5) =24a(6) =54a(7) =48a(8) =108a(9) =96a(10) =216a(11) =192a(12) =540a(13) =384a(14) =480a(15) =768a(16) =1296a(17) =1152a(18) =960a(19) =3072a(20) =2304a(21) =2688a(22) =1920a(23) =4608a(24) =4860a(25) =5376a(26) =3840a(27) =8064a(28) =5760a(29) =10752