a(n) is the smallest number k with exactly n of its divisors in A037197.

Terms

a(0) =1a(1) =2a(2) =8a(3) =24a(4) =96a(5) =312a(6) =600a(7) =2100a(8) =1800a(9) =5400a(10) =4200a(11) =8400a(12) =12600a(13) =25200a(14) =16800a(15) =58800a(16) =50400a(17) =67200a(18) =93600a(19) =131040a(20) =201600a(21) =252000a(22) =218400a(23) =468000a(24) =882000a(25) =873600a(26) =1386000a(27) =1528800a(28) =2646000a(29) =655200