Numbers n such that the sum of the digits of phi(n)^sigma(n) is divisible by n.

A109668

Numbers n such that the sum of the digits of phi(n)^sigma(n) is divisible by n.

Terms

    a(0) =1a(1) =9a(2) =18a(3) =35a(4) =67a(5) =189a(6) =310a(7) =475a(8) =516a(9) =684a(10) =2493a(11) =2527a(12) =3465a(13) =4701a(14) =5157a(15) =8321a(16) =11403a(17) =11780a(18) =14709a(19) =18396a(20) =47250a(21) =124385a(22) =131952a(23) =280342a(24) =288820a(25) =304299a(26) =525195a(27) =536756a(28) =899703

External references