Odd integers m such that phi(m) | sigma(m).

Terms

a(0) =1a(1) =3a(2) =15a(3) =35a(4) =105a(5) =357a(6) =1045a(7) =1485a(8) =3135a(9) =3339a(10) =5049a(11) =10659a(12) =12441a(13) =16065a(14) =24871a(15) =24969a(16) =29029a(17) =33915a(18) =35343a(19) =39105a(20) =39585a(21) =50065a(22) =58435a(23) =64285a(24) =71145a(25) =74613a(26) =87087a(27) =87685a(28) =99693a(29) =124355