a(n) is the least number that has exactly n exponential abundant divisors.

Terms

a(0) =1a(1) =900a(2) =3600a(3) =18000a(4) =25200a(5) =108900a(6) =126000a(7) =44100a(8) =88200a(9) =264600a(10) =220500a(11) =396900a(12) =617400a(13) =176400a(14) =485100a(15) =529200a(16) =970200a(17) =882000a(18) =1234800a(19) =1587600a(20) =2425500a(21) =3704400a(22) =4365900a(23) =6174000a(24) =6791400a(25) =5336100a(26) =1940400a(27) =25930800a(28) =6306300a(29) =39690000