Numbers n such that uphi(n) (the unitary totient function A047994) is a power of the number of unitary divisors of n (A034444).

A303435

Numbers n such that uphi(n) (the unitary totient function A047994) is a power of the number of unitary divisors of n (A034444).

Terms

    a(0) =1a(1) =2a(2) =3a(3) =5a(4) =9a(5) =10a(6) =17a(7) =30a(8) =34a(9) =85a(10) =170a(11) =257a(12) =514a(13) =765a(14) =1285a(15) =1542a(16) =4369a(17) =8738a(18) =39321a(19) =65537a(20) =131070a(21) =131074a(22) =327685a(23) =655370a(24) =1114129a(25) =2949165a(26) =3342387a(27) =16843009a(28) =33686018a(29) =100271610

External references