a(n) is the least term of A326835 whose number of divisors is n.

Terms

a(0) =1a(1) =3a(2) =9a(3) =15a(4) =81a(5) =45a(6) =729a(7) =105a(8) =225a(9) =405a(10) =59049a(11) =495a(12) =531441a(13) =3645a(14) =2025a(15) =1155a(16) =43046721a(17) =3675a(18) =387420489a(19) =4455a(20) =18225a(21) =295245a(22) =31381059609a(23) =8085a(24) =50625a(25) =2657205a(26) =65025a(27) =40095a(29) =34425a(31) =19635