Numbers n such that n | (sigma_4(n) + phi(n)^4).

Terms

a(0) =1a(1) =2a(2) =6a(3) =13588a(4) =48238a(5) =54490a(6) =69004a(7) =194460a(8) =353228a(9) =577980a(10) =638652a(11) =1478962a(12) =1882188a(13) =2190515a(14) =2677740a(15) =3404598a(16) =3875508a(17) =8456460a(18) =9978863a(19) =16320458a(20) =41199780a(21) =45112860a(22) =76132715a(23) =236405988a(24) =357846865a(25) =682983756a(26) =689274612a(27) =733141332a(28) =1185444052a(29) =1752193128