Numbers n such that phi(n) | sigma_6(n).

Terms

a(0) =1a(1) =2a(2) =3a(3) =6a(4) =22a(5) =33a(6) =66a(7) =262a(8) =750a(9) =786a(10) =8646a(11) =56946a(12) =222386a(13) =626406a(14) =667158a(15) =737286a(16) =1223123a(17) =2446246a(18) =2939046a(19) =3669369a(20) =6804006a(21) =7338738a(22) =27798250a(23) =31684246a(24) =41697375a(25) =44970486a(26) =53817126a(27) =62128086a(28) =76745867a(29) =83394750