Smallest number with same number of divisors as 3*a(n-1).

Terms

a(0) =1a(1) =2a(2) =6a(3) =12a(4) =36a(5) =60a(6) =180a(7) =360a(8) =840a(9) =2520a(10) =7560a(11) =15120a(12) =45360a(13) =55440a(14) =166320a(15) =498960a(16) =720720a(17) =2162160a(18) =6486480a(19) =10810800a(20) =32432400a(21) =61261200a(22) =183783600a(23) =551350800a(24) =1102701600a(25) =2327925600a(26) =6983776800a(27) =20951330400a(28) =48886437600a(29) =146659312800