a(n) = n*omega(n)^n where omega(n) is the number of distinct prime divisors of n.

Terms

a(0) =0a(1) =2a(2) =3a(3) =4a(4) =5a(5) =384a(6) =7a(7) =8a(8) =9a(9) =10240a(10) =11a(11) =49152a(12) =13a(13) =229376a(14) =491520a(15) =16a(16) =17a(17) =4718592a(18) =19a(19) =20971520a(20) =44040192a(21) =92274688a(22) =23a(23) =402653184a(24) =25a(25) =1744830464a(26) =27a(27) =7516192768a(28) =29a(30) =31